US3279867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control valve
Assignee: Echlin Inc
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Filing: 1965-03-01
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Granted: 1966-10-18
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Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Richard C Bueler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:51
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/04; B60T15/043; B60T15/045; B60T15/046; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
221 words
A CONTROL VALVE COMPRISING A HOUSING HAVING INLET AND OUTLET PORTS THEREIN, VALVE MEANS CONTROLLING PRESSURE FLUID COMMUNICATION BETWEEN SAID INLET AND OUTLET PORTS, A PAIR OF CONTROL MEMBERS CONCERTEDLY AND RELATIVELY MOVABLE IN SAID HOUSING, A FORCE RESPONSIVE PORTION INCLUDING METERING SPRING MEANS CONTAINED WITHIN ONE OF SAID CONTROL MEMBERS FOR RECEIVING AN ACTUATING FORCE, A DRIVING PORTION ON SAID ONE CONTROL MEMBER FOR DRIVING ENGAGEMENT WITH THE OTHER OF SAID CONTROL MEMBERS, AN EXPANSIBLE FLUID PRESSURE CHAMBER IN SAID HOUSING BETWEEN SAID CONTROL MEMBERS FOR SELECTIVE SUBJECTION TO FLUID PRESSURE AND THE ATMOSPHERE, AND OPERATOR CONTROLLED MEANS FOR APPLYING THE ACTUATING FORCE ON SAID FORCE RESPONSIVE PORTION, SAID PAIR OF CONTROL MEMBERS BEING NORMALLY CONCERTEDLY MOVABLE IN RESPONSE TO THE ACTUATING FORCE APPLIED ON SAID FORCE RECEIVING PORTION BY SAID OPERATOR CONTROLLED MEANS WHEN SAID CHAMBER IS SUBJECTED TO THE ATMOSPHERE TO ENGAGE SAID OTHER CONTROL MEMBER WITH SAID VALVE MEANS AND MOVE SAID VALVE MEANS TO A POSITION ESTABLISHING PRESSURE FLUID COMMUNICATION BETWEEN SAID INLET AND OUTLET PORTS, SAID METERING SPRING MEANS PROVIDING MOVEMENT OF SAID PAIR OF CONTROL MEMBERS RELATIVE TO SAID OPERATOR CONTROLLED MEANS AND AGAINST THE ACTUATING FORCE IN RESPONSE TO THE ESTABLISHED FLUID PRESSURE AT SAID OUTLET PORT ACTING ON THE EFFECTIVE AREA OF SAID OTHER CONTROL MEMBER, AND SAID OTHER CONTROL MEMBER ALSO
Claim 2
Dependent Claim
221 words
A CONTROL VALVE COMPRISING A HOUSING HAVING INLET AND OUTLET PORTS THEREIN, VALVE MEANS CONTROLLING PRESSURE FLUID COMMUNICATION BETWEEN SAID INLET AND OUTLET PORTS, A PAIR OF CONTROL MEMBERS CONCERTEDLY AND RELATIVELY MOVABLE IN SAID HOUSING, A FORCE RESPONSIVE PORTION INCLUDING METERING SPRING MEANS CONTAINED WITHIN ONE OF SAID CONTROL MEMBERS FOR RECEIVING AN ACTUATING FORCE, A DRIVING PORTION ON SAID ONE CONTROL MEMBER FOR DRIVING ENGAGEMENT WITH THE OTHER OF SAID CONTROL MEMBERS, AN EXPANSIBLE FLUID PRESSURE CHAMBER IN SAID HOUSING BETWEEN SAID CONTROL MEMBERS FOR SELECTIVE SUBJECTION TO FLUID PRESSURE AND THE ATMOSPHERE, AND OPERATOR CONTROLLED MEANS FOR APPLYING THE ACTUATING FORCE ON SAID FORCE RESPONSIVE PORTION, SAID PAIR OF CONTROL MEMBERS BEING NORMALLY CONCERTEDLY MOVABLE IN RESPONSE TO THE ACTUATING FORCE APPLIED ON SAID FORCE RECEIVING PORTION BY SAID OPERATOR CONTROLLED MEANS WHEN SAID CHAMBER IS SUBJECTED TO THE ATMOSPHERE TO ENGAGE SAID OTHER CONTROL MEMBER WITH SAID VALVE MEANS AND MOVE SAID VALVE MEANS TO A POSITION ESTABLISHING PRESSURE FLUID COMMUNICATION BETWEEN SAID INLET AND OUTLET PORTS, SAID METERING SPRING MEANS PROVIDING MOVEMENT OF SAID PAIR OF CONTROL MEMBERS RELATIVE TO SAID OPERATOR CONTROLLED MEANS AND AGAINST THE ACTUATING FORCE IN RESPONSE TO THE ESTABLISHED FLUID PRESSURE AT SAID OUTLET PORT ACTING ON THE EFFECTIVE AREA OF SAID OTHER CONTROL MEMBER, AND SAID OTHER CONTROL MEMBER ALSO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |