US3465782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float actuated rotary valve
Assignee: Trane US Inc
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Filing: 1964-09-23
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Granted: 1969-09-09
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Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Richard G Parkison
- 👤 Edward W Forth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:41
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30; E03D1/32; F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/10; F16K31/00; F16K31/12; F16K31/18; F16K31/30; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0491; Y10T137/053; Y10T137/598; Y10T137/6004; Y10T137/6031; Y10T137/6161; Y10T137/6164; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7481; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743; Y10T137/86863
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
IN A VALVE COMPRISING A HOUSING HAVING AN INLET AND AN OUTLET, A SEAT MEMBER WITHIN SAID HOUSING BETWEEN SAID INLET AND OUTLET, SAID SEAT MEMBER HAVING A PORT OPENING AND A STEM OPENING, A ROTARY MEMBER IN SAID HOUSING ABUTTING SAID SEAT MEMBER, SAID ROTARY MEMBER HAVING A PORT OPENING, A STEM HAVING ONE OF ITS ENDS CONNECTED TO A FLOAT BY MEANS OF A FLOAT ARM AND ITS OTHER END EXTENDING THROUGH SAID STEM OPENING IN SAID SEAT MEMBER TO ENGAGE SAID ROTARY MEMBER FOR ROTATING THE LATER RELATIVE TO THE SEAT MEMBER TO COMMUNICATE SAID PORT OPENINGS WHEN SAID FLOAT MOVES A SPECIFIED DISTANCE, MEANS IN SAID HOUSING DEFINING A CHANNELWAY GENERALLY COAXIAL WITH SAID STEM OPENING, RESILIENT MEANS ARRANGED IN SAID HOUSING TO URGE SAID SEAT MEMBER AGAINST SAID ROTARY MEMBER AND TO PROVIDE A WATER TIGHT SEAL BETWEEN SAID HOUSING AND SAID SEAT MEMBER TO ISOLATE SAID CHANNELWAY FROM THE FLUID PASSAGE IN THE VALVE, SAID STEM EXTENDING THROUGH SAID CHANNELWAY WHEREBY SAID STEM IS ISOLATED FROM FLUID FLOWING THROUGH THE VALVE.
Claim 2
Dependent Claim
177 words
IN A VALVE COMPRISING A HOUSING HAVING AN INLET AND AN OUTLET, A SEAT MEMBER WITHIN SAID HOUSING BETWEEN SAID INLET AND OUTLET, SAID SEAT MEMBER HAVING A PORT OPENING AND A STEM OPENING, A ROTARY MEMBER IN SAID HOUSING ABUTTING SAID SEAT MEMBER, SAID ROTARY MEMBER HAVING A PORT OPENING, A STEM HAVING ONE OF ITS ENDS CONNECTED TO A FLOAT BY MEANS OF A FLOAT ARM AND ITS OTHER END EXTENDING THROUGH SAID STEM OPENING IN SAID SEAT MEMBER TO ENGAGE SAID ROTARY MEMBER FOR ROTATING THE LATER RELATIVE TO THE SEAT MEMBER TO COMMUNICATE SAID PORT OPENINGS WHEN SAID FLOAT MOVES A SPECIFIED DISTANCE, MEANS IN SAID HOUSING DEFINING A CHANNELWAY GENERALLY COAXIAL WITH SAID STEM OPENING, RESILIENT MEANS ARRANGED IN SAID HOUSING TO URGE SAID SEAT MEMBER AGAINST SAID ROTARY MEMBER AND TO PROVIDE A WATER TIGHT SEAL BETWEEN SAID HOUSING AND SAID SEAT MEMBER TO ISOLATE SAID CHANNELWAY FROM THE FLUID PASSAGE IN THE VALVE, SAID STEM EXTENDING THROUGH SAID CHANNELWAY WHEREBY SAID STEM IS ISOLATED FROM FLUID FLOWING THROUGH THE VALVE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |