US5052624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high pressure water cleaning tool
Assignee: TC/AMERICAN MONORAIL Inc
•
Filing: 1989-12-01
•
Granted: 1991-10-01
•
Expires: 2009-12-01
Abstract
Abstract An ultra high pressure water tool has a nozzle assembly equipped with a fan tip that discharges a relatively flat stream of ultra high pressure water to a surface to remove coatings and flashings. The fan tip has a body containing an elongated passage and a layer of super hard material having an elongated discharge orifice open to the passage.
Inventors
- 👤 Arie N. Boers
- 👤 Eric J. Chalmers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:17
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B08B3/028; B05; B05B; B05B1/00; B05B1/02; B05B1/04; B05B1/042; B21; B21B; B21B45/00; B21B45/04; B21B45/08
Claims Analysis
Total Claims: 48
Claim 1
Independent Claim
408 words
A tool for directing a generally flat stream of water under pressure of at least 25,000 psi to a selected location comprising: an elongated tubular means having an inlet end, and outlet end, and a passage connecting said inlet and outlet ends for accommodating water under pressure of at least 25,000 psi, a solenoid operated valve for controlling the flow of water to said inlet end of the tubular means positioned at a location remote from the tubular means, hose means connecting the valve to the inlet end of the tubular means, trigger means connected to the tubular means having a switch electrically coupled to the solenoid operated valve, and a lever operable to actuate the switch whereby when the lever is moved to actuate the switch the solenoid operated valve is opened to allow water to flow to the tubular means, and when the lever is released the switch operates to deenergize the solenoid operated valve to close said valve thereby blocking the flow of water to the tubular means, a nozzle assembly connected to the outlet end of the tubular means for directing a generally flat stream of water to the selected location, said nozzle assembly having a head mounted on the outlet end of the tubular means, said head having an inside wall surrounding a chamber open to said passage for receiving the ultra high pressure water from said passage, a discharge opening, open to the chamber, and an annular inwardly directed lip between the chamber and discharge opening, a fan tip located in said chamber adjacent said discharge opening for directing a generally flat stream of ultra high pressure water to a selected location, an annular compressible holder surrounding the fan tip engageable with the inside wall of the head holding the fan tip on said head adjacent said discharge opening, said fan tip having a body with a passage substantially smaller in diameter than said chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, a transverse slot between parallel inside walls in the boss intersecting the passage in the body forming a discharge orifice allowing ultra high pressure water to flow from the passage into the slot whereby the orifice and slot confine the ultra high pressure water to a generally flat stream of ultra high pressure water and directs the stream of ultra high pressure water to a selected location.
Claim 2
Dependent Claim
408 words
A tool for directing a generally flat stream of water under pressure of at least 25,000 psi to a selected location comprising: an elongated tubular means having an inlet end, and outlet end, and a passage connecting said inlet and outlet ends for accommodating water under pressure of at least 25,000 psi, a solenoid operated valve for controlling the flow of water to said inlet end of the tubular means positioned at a location remote from the tubular means, hose means connecting the valve to the inlet end of the tubular means, trigger means connected to the tubular means having a switch electrically coupled to the solenoid operated valve, and a lever operable to actuate the switch whereby when the lever is moved to actuate the switch the solenoid operated valve is opened to allow water to flow to the tubular means, and when the lever is released the switch operates to deenergize the solenoid operated valve to close said valve thereby blocking the flow of water to the tubular means, a nozzle assembly connected to the outlet end of the tubular means for directing a generally flat stream of water to the selected location, said nozzle assembly having a head mounted on the outlet end of the tubular means, said head having an inside wall surrounding a chamber open to said passage for receiving the ultra high pressure water from said passage, a discharge opening, open to the chamber, and an annular inwardly directed lip between the chamber and discharge opening, a fan tip located in said chamber adjacent said discharge opening for directing a generally flat stream of ultra high pressure water to a selected location, an annular compressible holder surrounding the fan tip engageable with the inside wall of the head holding the fan tip on said head adjacent said discharge opening, said fan tip having a body with a passage substantially smaller in diameter than said chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, a transverse slot between parallel inside walls in the boss intersecting the passage in the body forming a discharge orifice allowing ultra high pressure water to flow from the passage into the slot whereby the orifice and slot confine the ultra high pressure water to a generally flat stream of ultra high pressure water and directs the stream of ultra high pressure water to a selected location.
Claim 3
Dependent Claim
26 words
The tool of claim 1 including: shoulder rest means connected to the tubular means adapted to engage the body of a person to stabilize the tool.
Claim 4
Dependent Claim
25 words
The tool of claim 2 wherein: the trigger means extends in a general downward direction, and the shoulder rest means extends a general upward direction.
Claim 5
Dependent Claim
37 words
The tool of claim 1 wherein: the passage in the fan tip has a cone shape and converges in the direction of the flow of water through the passage in the fan tip to the discharge orifice.
Claim 6
Dependent Claim
28 words
The tool of claim 1 wherein: the fan tip has a layer of super hard material, said slot and orifice extending through said layer of super hard material.
Claim 7
Dependent Claim
23 words
The tool of claim 5 wherein: the supper hard material is a class of material including polycrystalling diamond, cubic boron nitride, and borazon.
Claim 8
Dependent Claim
24 words
The tool of claim 1 wherein: the fan tip has a body with an outer cylindrical surface, said annular holder surrounding with cylindrical surface.
Claim 9
Dependent Claim
36 words
The tool of claim 7 wherein: the transverse slot has substantially uniform width, said width of the slot being being the same as than the diameter of the outer end of passage in the fan tip.
Claim 10
Dependent Claim
381 words
A tool for directing a stream of water under pressure of at least 25,000 psi to a selected location comprising: tubular means having an inlet end, an outlet end, and a passage connecting said inlet and outlet ends for accommodating water under pressure of at least 25,000 psi, solenoid operated valve means for controlling the flow of the water to said inlet end of the tubular means positioned at a location remote from the tubular means, means connecting the valve means to the inlet end of the tubular means for carrying water to the tubular means, trigger means connected to the tubular means having a switch electrically coupled to the solenoid operated valve means, and moveable means operable to actuate the switch whereby when the moveable means is moved to actuate the switch the solenoid operated valve means is opened to allow the water to flow to the tubular means, and when the moveable means is released the switch operates to deenergize the solenoid operated valve means to close said valve means thereby blocking the flow of the water to the tubular means, a nozzle assembly connected to the oulet end of the tubular means for directing a stream of water to the selected location, said nozzle assembly having a head including an inside wall surrounding an internal chamber open to said passage for receiving ultra high pressure water, a discharge opening open to the chamber and atmosphere, and an inwardly directed lip located between the chamber and discharge opening, a fan tip located in said chamber, annular compressible means surrounding the fan tip and engageable with said inside wall for holding the fan tip on the head, said fan tip having a body with a passage open to the chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, a transverse slot between parallel inside walls in the boss intersecting the passage in the body forming a discharge orifice allowing ultra high pressure water to flow from the passage in the body into the slot whereby the orifice and slot confine the ultra high pressure water to a generally flat stream of ultra high pressure water and directs the stream of ultra high pressure water to a selected location.
Claim 11
Dependent Claim
381 words
A tool for directing a stream of water under pressure of at least 25,000 psi to a selected location comprising: tubular means having an inlet end, an outlet end, and a passage connecting said inlet and outlet ends for accommodating water under pressure of at least 25,000 psi, solenoid operated valve means for controlling the flow of the water to said inlet end of the tubular means positioned at a location remote from the tubular means, means connecting the valve means to the inlet end of the tubular means for carrying water to the tubular means, trigger means connected to the tubular means having a switch electrically coupled to the solenoid operated valve means, and moveable means operable to actuate the switch whereby when the moveable means is moved to actuate the switch the solenoid operated valve means is opened to allow the water to flow to the tubular means, and when the moveable means is released the switch operates to deenergize the solenoid operated valve means to close said valve means thereby blocking the flow of the water to the tubular means, a nozzle assembly connected to the oulet end of the tubular means for directing a stream of water to the selected location, said nozzle assembly having a head including an inside wall surrounding an internal chamber open to said passage for receiving ultra high pressure water, a discharge opening open to the chamber and atmosphere, and an inwardly directed lip located between the chamber and discharge opening, a fan tip located in said chamber, annular compressible means surrounding the fan tip and engageable with said inside wall for holding the fan tip on the head, said fan tip having a body with a passage open to the chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, a transverse slot between parallel inside walls in the boss intersecting the passage in the body forming a discharge orifice allowing ultra high pressure water to flow from the passage in the body into the slot whereby the orifice and slot confine the ultra high pressure water to a generally flat stream of ultra high pressure water and directs the stream of ultra high pressure water to a selected location.
Claim 12
Dependent Claim
26 words
The tool of claim 9 wherein: the fan tip has a layer of super hard material, said orifice extending through said layer of super hard material.
Claim 13
Dependent Claim
23 words
The tool of claim 10 wherein: the super hard material is a class of material including polycrystalling diamond, cubic boron nitride, and borazon.
Claim 14
Dependent Claim
26 words
The tool of claim 9 including: shoulder rest means connected to the tubular means adapted to engage the body of a person to stabilize the tool.
Claim 15
Dependent Claim
25 words
The tool of claim 12 wherein: the trigger means extends in a general downward direction, and the shoulder rest means extends a general upward direction.
Claim 16
Dependent Claim
25 words
The tool of claim 9 wherein: the fan tip has a body with an outer cylindrical surface, said annular compressible means surrounding said cylindrical surface.
Claim 17
Dependent Claim
33 words
The tool of claim 9 wherein: the passage in the fan tip has a cone shape and converges in the direction of the flow of water through the passage in the fan tip.
Claim 18
Dependent Claim
34 words
The tool of claim 14 wherein: the transverse slot has substantially uniform width, said width of the slot being the same as the diameter of the outer end of passage in the fan tip.
Claim 19
Dependent Claim
28 words
The tool of claim 14 wherein: the fan tip has a layer of super hard material, said slot and orifice extending through said layer of super hard material.
Claim 20
Dependent Claim
37 words
The tool of claim 14 including: the passage in the fan tip has a cone shape and converges in the direction of the flow of water through the passage in the fan tip to the discharge orifice.
Claim 21
Dependent Claim
26 words
The tool of claim 14 wherein: the fan tip has a layer of super hard material, said orifice extending through said layer of super hard material.
Claim 22
Dependent Claim
23 words
The tool of claim 16 wherein: the super hard material is a class of material including polycrystalling diamond, cubic boron nitride, and borazon.
Claim 23
Dependent Claim
250 words
A tool for directing a generally flat stream of water under pressure to a selected location comprising: a tubular means having an inlet end, and outlet end, and a passage connecting said inlet and outlet ends for accommodating water under pressure, and a nozzle assembly connected to the outlet end of the tubular means for directing a generally flat stream of water under pressure to the selected location, said nozzle assembly having a head including an inside wall surrounding an internal chamber open to said passage for receiving water under pressure, an external discharge opening open to the chamber, and an inwardly directed lip between the chamber and the discharge opening, a fan tip located in said chamber adjacent said discharge opening for directing a generally flat stream of water to a selected location, annular compressible means surrounding the fan tip and engageable with the inside wall of the head holding the fan tip on the head, said fan tip having a body with a passage open to the chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, a transverse slot between inside walls in the boss intersecting the passage in the body forming a discharge orifice allowing high pressure water to flow from the passage into the slot whereby the orifice and slot confine the water to a generally flat stream of high pressure water and directs the stream of high pressure water to a selected location.
Claim 24
Dependent Claim
250 words
A tool for directing a generally flat stream of water under pressure to a selected location comprising: a tubular means having an inlet end, and outlet end, and a passage connecting said inlet and outlet ends for accommodating water under pressure, and a nozzle assembly connected to the outlet end of the tubular means for directing a generally flat stream of water under pressure to the selected location, said nozzle assembly having a head including an inside wall surrounding an internal chamber open to said passage for receiving water under pressure, an external discharge opening open to the chamber, and an inwardly directed lip between the chamber and the discharge opening, a fan tip located in said chamber adjacent said discharge opening for directing a generally flat stream of water to a selected location, annular compressible means surrounding the fan tip and engageable with the inside wall of the head holding the fan tip on the head, said fan tip having a body with a passage open to the chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, a transverse slot between inside walls in the boss intersecting the passage in the body forming a discharge orifice allowing high pressure water to flow from the passage into the slot whereby the orifice and slot confine the water to a generally flat stream of high pressure water and directs the stream of high pressure water to a selected location.
Claim 25
Dependent Claim
25 words
The tool of claim 21 wherein: the body of the fan tip has an outer cylindrical surface, said annular compressible means surrounding said cylindrical surface.
Claim 26
Dependent Claim
33 words
The tool of claim 22 wherein: the passage in the fan tip has a cone shape and converges in the direction of the flow of water through the passage in the fan tip.
Claim 27
Dependent Claim
34 words
The tool of claim 22 wherein: the transverse slot has substantially uniform width, said width of the slot being the same as the diameter of the outer end of passage in the fan tip.
Claim 28
Dependent Claim
26 words
The tool of claim 22 wherein: the fan tip has a layer of super hard material, said slot and orifice extending through said super hard material.
Claim 29
Dependent Claim
199 words
A nozzle assembly for a tool having a member with a passage used to direct water under pressure to a selected location comprising: a head adapted to be mounted on said member for receiving water under pressure from said member, said head having an inside wall surrounding an internal chamber, an external discharge opening open to the chamber, and an annular inwardly directed lip between the chamber and discharge opening, a fan tip located in said chamber adjacent said discharge opening for directing a stream of water to a selected location, an annular compressible means surrounding the fan tip engageable with the inside surface of the head to hold the fan tip on the head, said fan tip having a body with a passage open to the chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, transverse slot means located in said boss intersecting the passage in the body forming a discharge open orifice allowing water under pressure to flow from the passage in the body into the slot means whereby the orifice and slot means directs the stream of water under pressure to a selected location.
Claim 30
Dependent Claim
199 words
A nozzle assembly for a tool having a member with a passage used to direct water under pressure to a selected location comprising: a head adapted to be mounted on said member for receiving water under pressure from said member, said head having an inside wall surrounding an internal chamber, an external discharge opening open to the chamber, and an annular inwardly directed lip between the chamber and discharge opening, a fan tip located in said chamber adjacent said discharge opening for directing a stream of water to a selected location, an annular compressible means surrounding the fan tip engageable with the inside surface of the head to hold the fan tip on the head, said fan tip having a body with a passage open to the chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, transverse slot means located in said boss intersecting the passage in the body forming a discharge open orifice allowing water under pressure to flow from the passage in the body into the slot means whereby the orifice and slot means directs the stream of water under pressure to a selected location.
Claim 31
Dependent Claim
38 words
The nozzle assembly of claim 26 wherein: the passage in the fan tip has a cone shape and converges in the direction of the flow of water though the passage in the fan tip to the discharge orifice.
Claim 32
Dependent Claim
27 words
The nozzle assembly of claim 26 wherein: the fan tip has a layer of super hard material, said orifice extending through said layer of super hard material.
Claim 33
Dependent Claim
24 words
The nozzle assembly of claim 28 wherein: the super hard material is a class of material including polycrystalling diamond, cubic boron nitride, and borazon.
Claim 34
Dependent Claim
26 words
The nozzle assembly of claim 26 wherein: the body of the fan tip has an outer cylindrical surface, said annular compressible means surrounding said cylindrical surface.
Claim 35
Dependent Claim
34 words
The nozzle assembly of claim 30 wherein: the passage in the fan tip has a cone shape and converges in the direction of the flow of water through the passage in the fan tip.
Claim 36
Dependent Claim
35 words
The nozzle assembly of claim 30 wherein: the transverse slot has substantially uniform width, said width of the slot being the same as the diameter of the outer end of passage in the fan tip.
Claim 37
Dependent Claim
27 words
The nozzle assembly of claim 30 wherein: the fan tip has a layer of super hard material, said slot and orifice extending through said super hard material.
Claim 38
Dependent Claim
23 words
The nozzle assembly of claim 33 wherein: the super hard material is class of material including polycrystalling diamond, cubic boron nitride, and borazon.
Claim 39
Dependent Claim
24 words
The nozzle assembly of claim 33 wherein: the fan tip includes a body, said layer of super hard material being bonded to said body.
Claim 40
Dependent Claim
252 words
A nozzle assembly for a tool used to direct a generally flat stream of water under ultra high pressure of at least 25,000 psi to a selected location having a member with a passage connectable to a supply of water under ultra high pressure of at least 25,000 psi characterized by a head mounted on the member, said head having an inside wall surrounding a chamber open to said passage for receiving the ultra high pressure water from said passage, a discharge opening open to said chamber, and an annular inwardly directed lip between the chamber and discharge opening, a fan tip located in said chamber adjacent said discharge opening for directing a generally flat stream of ultra high pressure water to a selected location, and annular compressible means surrounding the fan tip engageable with the inside wall of the head holding the fan tip on said head adjacent said discharge opening, said fan tip having a body with a passage substantially smaller in diameter than said chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, a transverse slot between parallel inside walls in the boss intersecting the passage forming a discharge orifice allowing ultra high pressure water to flow from the passage into the slot whereby the orifice and slot confine the ultra high pressure water to a generally flat stream of ultra high pressure water and directs the stream of ultra high pressure water to a selected location.
Claim 41
Dependent Claim
252 words
A nozzle assembly for a tool used to direct a generally flat stream of water under ultra high pressure of at least 25,000 psi to a selected location having a member with a passage connectable to a supply of water under ultra high pressure of at least 25,000 psi characterized by a head mounted on the member, said head having an inside wall surrounding a chamber open to said passage for receiving the ultra high pressure water from said passage, a discharge opening open to said chamber, and an annular inwardly directed lip between the chamber and discharge opening, a fan tip located in said chamber adjacent said discharge opening for directing a generally flat stream of ultra high pressure water to a selected location, and annular compressible means surrounding the fan tip engageable with the inside wall of the head holding the fan tip on said head adjacent said discharge opening, said fan tip having a body with a passage substantially smaller in diameter than said chamber, said body having an annular shoulder located in engagement with the lip and a boss projected into the discharge opening, a transverse slot between parallel inside walls in the boss intersecting the passage forming a discharge orifice allowing ultra high pressure water to flow from the passage into the slot whereby the orifice and slot confine the ultra high pressure water to a generally flat stream of ultra high pressure water and directs the stream of ultra high pressure water to a selected location.
Claim 42
Dependent Claim
38 words
The nozzle assembly according to claim 36 characterized by the passage in the fan tip having a cone shaped inside wall that converges in the direction of the flow of water through the passage to the discharge orifice.
Claim 43
Dependent Claim
28 words
The nozzle assembly of claim 36 characterized by the fan tip having a layer of super hard material, said orifice extending through said layer of super hard material.
Claim 44
Dependent Claim
29 words
The nozzle assembly of claim 36 characterized by the transverse slot having substantially uniform width, said width of the slot being the same as the width of the orifice.
Claim 45
Dependent Claim
51 words
The nozzle assembly according to claim 36 characterized by a sleeve mounted in threaded assembled relation on the member, and means securing the head to the sleeve whereby when the head is rotated relative to the sleeve, the head turns to adjust the angular orientation of the slot and discharge orifice.
Claim 46
Dependent Claim
104 words
The nozzle assembly according to claim 36 characterized by a solenoid operated valve for controlling the flow of water to said member, positioned at a location remote from the member, hose means connecting the valve to the member having a switch electrically coupled to the solenoid operated valve, and a lever operable to actuate the switch so that the solenoid operated valve is opened to allow water to flow to the member, and when the lever is released the switch operates to deenergize the solenoid operated valve to close said valve thereby blocking the flow of water to the member head and fan tip.
Claim 47
Dependent Claim
28 words
The nozzle assembly according to claim 41 characterized by a shoulder rest connected to the member adapted to engage the body of a person to stabilize the tool.
Claim 48
Dependent Claim
27 words
The nozzle assembly according to claim 41 characterized by the trigger means extends in a general downward direction, and the shoulder rest extends a general upward direction.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-09-30 | 1995-04-01 | 1995-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-30 | 1999-04-01 | 1999-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-30 | 2003-04-01 | 2003-10-01 | $7700.00 | Window Closed / Lapsed |