US3849893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating machine wear gauging means and method
Assignee: FIRST ASSET-BASED LENDING GROUP Inc C/O CONSOLIDATED ASSET MANAGEMENT COMPANY 120 NORTH ROBINSON OKLAHOMA CITY OK 73192
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Filing: 1972-02-04
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Granted: 1974-11-26
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Expires: 1992-02-04
Abstract
Abstract The present invention relates to detection and measurement of wear in machines having relatively rotating housings and parts such as radially extending blades subject to wear which may exceed a critical degree, and in particular to the measurement and predetermination of wear and of conveyance capacity of a scroll type conveyor. The invention includes the use of a measuring device for measuring the distance between the radially outer edge of a portion of the conveyor blade and a reference point in the housing radially and longitudinally fixed with respect to the axis of the conveyor. This measurement is preferably taken at a predetermined first portion of the blade such that the measurement at said first portion is indicative of the wear and/or conveyance capacity of one or more other portions of the blade.
Inventors
- 👤 G Ormsby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:30
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/56; G01N3/567; B; B04; B04B; B04B1/00; B04B1/20; G01B; G01B5/00; G01B5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A method of measuring wear and conveyance capacity of a blade of a scroll type conveyor at least partially encased in a housing while retaining the conveyor in assembled condition comprising the steps of: a. determining a critical conveyance capacity portion of said blade; b. determining a wear portion of said blade distal said critical conveyance capacity portion having wear characteristics more conveniently measured than those of said critical conveyance capacity portion; c. relating the amount of wear of said wear portion to the amount of wear of and to the conveyance capacity of said critical conveyance capacity portion; d. exposing an aperture in said housing at a location generally aligned with said wear portion; e. clearing a path through a bed of sediment interior to said aperture; f. aligning a radially outer edge of said wear portion of said blade with said aperture; g. measuring the distance from said edge to a reference point radially and longitudinally fixed with respect to the axis of said conveyor; h. combining the measurement obtained in step (g) with the relationship obtained in step (c) to determine the amount of wear of and the conveyance capacity of said critical conveyance capacity portion.
Claim 2
Independent Claim
199 words
A method of measuring wear and conveyance capacity of a blade of a scroll type conveyor at least partially encased in a housing while retaining the conveyor in assembled condition comprising the steps of: a. determining a critical conveyance capacity portion of said blade; b. determining a wear portion of said blade distal said critical conveyance capacity portion having wear characteristics more conveniently measured than those of said critical conveyance capacity portion; c. relating the amount of wear of said wear portion to the amount of wear of and to the conveyance capacity of said critical conveyance capacity portion; d. exposing an aperture in said housing at a location generally aligned with said wear portion; e. clearing a path through a bed of sediment interior to said aperture; f. aligning a radially outer edge of said wear portion of said blade with said aperture; g. measuring the distance from said edge to a reference point radially and longitudinally fixed with respect to the axis of said conveyor; h. combining the measurement obtained in step (g) with the relationship obtained in step (c) to determine the amount of wear of and the conveyance capacity of said critical conveyance capacity portion.
References Cited (Backward Citations)
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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) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |