US3082787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal responsive throttle valve
Assignee: Vickers Inc
•
Filing: 1958-06-09
•
Granted: 1963-03-26
•
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 04:11
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.
References Cited (Backward Citations)
US1055307A
Cited
US1813122A
Cited
US1914677A
Cited
US2021427A
Cited
US2063621A
Cited
US2343375A
Cited
US2308944A
Cited
US2310745A
Cited
US2476720A
Cited
US2633861A
Cited
US2658522A
Cited
US2854995A
Cited
US2867268A
Cited
US2966170A
Cited
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 |