US3366142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-position control valve
Assignee: Echlin Inc
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Filing: 1965-10-23
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Granted: 1968-01-30
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Richard C Bueler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:56
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/048; B; B60; B60T; B60T15/00; B60T15/02; B60T15/04; B60T15/041; F16K11/10; F16K11/14; F16K11/16; F16K11/161; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/86928; Y10T137/87016; Y10T137/8704; Y10T137/877; Y10T137/87708; Y10T137/8778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A CONTROL VALVE COMPRISING A HOUSING, APPLICATION MEANS MOVABLE IN SAID HOUSING AND DEFINING THEREWITH A PRESSURE FLUID FLOW PASSAGE FOR CONNECTION BETWEEN A FLUID PRESSURE SOURCE AND A FLUID PRESSURE RESPONSIVE MOTOR, SAID APPLICATION MEANS BEING MOVABLE IN ONE DIRECTION IN RESPONSE TO AN APPLIED FORCE TO A POSITION IN SAID FLOW PASSAGE EFFECTING THE APPLICATION OF PRESSURE FLUID FLOW THERETHROUGH, SAID APPLICATION MEANS ALOS BEING MOVABLE IN AN OPPOSITE DIRECTION IN RESPONSE TO ANOTHER APPLIED FORCE TOWARD ANOTHER POSITION IN SAID FLOW PASSAGE TO INITIALLY ISOLATE THE FLUID PRESSURE AT SAID SOURCE FROM THE APPLIED FLUID PRESSURE AND THEREAFTER EFFECT A METERED REDUCTION OF THE APPLIED FLUID PRESSURE, AND OPPOSED DIFFERENTIAL AREAS ON SAID APPLICATION MEANS RESPECTIVELY RESPONSIVE TO THE REDUCED APPLIED FLUID PRESSURE AND THE ISOLATED FLUID PRESSURE AT SAID SOURCE TO ESTABLISH A REACTION FORCE IN OPPOSITION TO THE OTHER APPLIED FORCE.
Claim 2
Dependent Claim
146 words
A CONTROL VALVE COMPRISING A HOUSING, APPLICATION MEANS MOVABLE IN SAID HOUSING AND DEFINING THEREWITH A PRESSURE FLUID FLOW PASSAGE FOR CONNECTION BETWEEN A FLUID PRESSURE SOURCE AND A FLUID PRESSURE RESPONSIVE MOTOR, SAID APPLICATION MEANS BEING MOVABLE IN ONE DIRECTION IN RESPONSE TO AN APPLIED FORCE TO A POSITION IN SAID FLOW PASSAGE EFFECTING THE APPLICATION OF PRESSURE FLUID FLOW THERETHROUGH, SAID APPLICATION MEANS ALOS BEING MOVABLE IN AN OPPOSITE DIRECTION IN RESPONSE TO ANOTHER APPLIED FORCE TOWARD ANOTHER POSITION IN SAID FLOW PASSAGE TO INITIALLY ISOLATE THE FLUID PRESSURE AT SAID SOURCE FROM THE APPLIED FLUID PRESSURE AND THEREAFTER EFFECT A METERED REDUCTION OF THE APPLIED FLUID PRESSURE, AND OPPOSED DIFFERENTIAL AREAS ON SAID APPLICATION MEANS RESPECTIVELY RESPONSIVE TO THE REDUCED APPLIED FLUID PRESSURE AND THE ISOLATED FLUID PRESSURE AT SAID SOURCE TO ESTABLISH A REACTION FORCE IN OPPOSITION TO THE OTHER APPLIED FORCE.
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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |