Patent US3082787A successfully refreshed from Google Patents.
US3082787A
Expired / Lapsed
US
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Thermal responsive throttle valve
Assignee: Vickers Inc
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Filing: 1958-06-09
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Granted: 1963-03-26
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Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 George F Elston
- 👤 Gerald F Tess
- 👤 Laurence J Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:09
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/04; F15B21/045; G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/025; G05D7/00; G05D7/01; G05D7/0126; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/7069; Y10T137/7256; Y10T137/7722; Y10T137/7737
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A FLUID FLOW CONTROL VALVE: A BODY HAVING A PARTICULAR COEFFICIENT OF EXPANSION; MEANS FORMING A FLOW PASSAGE IN THE BODY; A THROTTLE VALVE ELEMENT SLIDABLY POSITIONED IN THE PASSAGE FORMING AN ADJUSTABLE RESTRICTION TO FLUID FLOW THROUGH THE PASSAGE; A TEMPERATURE COMPENSATING ROD MEMBER HAVING A COEFFICIENT OF TEMPERATURE EXPANSION DIFFERENT FROM THAT OF SAID BODY AND COMPRISING A THROTTLE VALVE ENGAGING PORTION, A TEMPERATURE SENSING PORTION ON ONE SIDE OF SAID THROTTLE VALVE ENGAGING PORTION FREELY EXTENDING INTO THE PATH OF FLUID FLOWING THROUGH SAID RESTRICTION, AND A WORKING PORTION ON THE OPPOSITE SIDE OF THE THROTTLE VALVE ENGAGING PORTION TO THAT OF THE SENSING PORTION AND ABUTTING SAID BODY; MEANS FORMING A FLUID CHAMBER IN WHICH THE WORKING PORTION OF THE ROD MEMBER IS EXPOSED; AND PORTING MEANS CONNECTING SAID CHAMBER TO THE FLOW PASSAGE.
Claim 2
Dependent Claim
139 words
IN A FLUID FLOW CONTROL VALVE: A BODY HAVING A PARTICULAR COEFFICIENT OF EXPANSION; MEANS FORMING A FLOW PASSAGE IN THE BODY; A THROTTLE VALVE ELEMENT SLIDABLY POSITIONED IN THE PASSAGE FORMING AN ADJUSTABLE RESTRICTION TO FLUID FLOW THROUGH THE PASSAGE; A TEMPERATURE COMPENSATING ROD MEMBER HAVING A COEFFICIENT OF TEMPERATURE EXPANSION DIFFERENT FROM THAT OF SAID BODY AND COMPRISING A THROTTLE VALVE ENGAGING PORTION, A TEMPERATURE SENSING PORTION ON ONE SIDE OF SAID THROTTLE VALVE ENGAGING PORTION FREELY EXTENDING INTO THE PATH OF FLUID FLOWING THROUGH SAID RESTRICTION, AND A WORKING PORTION ON THE OPPOSITE SIDE OF THE THROTTLE VALVE ENGAGING PORTION TO THAT OF THE SENSING PORTION AND ABUTTING SAID BODY; MEANS FORMING A FLUID CHAMBER IN WHICH THE WORKING PORTION OF THE ROD MEMBER IS EXPOSED; AND PORTING MEANS CONNECTING SAID CHAMBER TO THE FLOW PASSAGE.
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |