US3332440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequentially-actuated multiplefunction control valve
Assignee: Robertshaw Controls Co
•
Filing: 1965-03-19
•
Granted: 1967-07-25
•
Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Brakebill Harold Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:15
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1262; G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/121; G05D23/122; G05D23/185; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/86928; Y10T137/87153; Y10T137/87161; Y10T137/87917; Y10T137/87981; Y10T137/87997; Y10T137/88062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A VALVE MEANS INCLUDING A VALVE HEAD, A VALVE SEAT, A FLOW PORT IN SAID VALVE SEAT, AND A VALVE ACTUATOR EXTENDING THROUGH SAID FLOW PORT TOWARD SAID VALVE HEAD; THE INVENTION COMPRISING THRUST TRANSMITTING REFERENCE MEANS ON SAID ACTUATOR, AND FLOATING THRUST TRANSMITTING MEANS INTERMEDIATE SAID REFERENCE MEANS AND SAID VALVE HEAD CONSTRAINED BY SAID REFERENCE MEANS TO UNSEAT SAID VALVE HEAD FROM SAID VALVET SEAT IN A PRESELECTED DIRECTION OF OPERATION OF SAID VALVE ACTUATOR; WHEREIN SAID FLOATING THRUST TRANSMITTING MEANS IS PROVIDED WITH FLOW CHARACTERIZING MEANS ADJACENT SAID VALVE HEAD EFFECTING A PREDETERMINED PROGRAMMING OF FLOW THROUGH SAID FLOW PORT AS A FUNCTION OF THE DISPLACEMENT OF SAID VALVE ACTUATOR.
Claim 2
Dependent Claim
114 words
IN A VALVE MEANS INCLUDING A VALVE HEAD, A VALVE SEAT, A FLOW PORT IN SAID VALVE SEAT, AND A VALVE ACTUATOR EXTENDING THROUGH SAID FLOW PORT TOWARD SAID VALVE HEAD; THE INVENTION COMPRISING THRUST TRANSMITTING REFERENCE MEANS ON SAID ACTUATOR, AND FLOATING THRUST TRANSMITTING MEANS INTERMEDIATE SAID REFERENCE MEANS AND SAID VALVE HEAD CONSTRAINED BY SAID REFERENCE MEANS TO UNSEAT SAID VALVE HEAD FROM SAID VALVET SEAT IN A PRESELECTED DIRECTION OF OPERATION OF SAID VALVE ACTUATOR; WHEREIN SAID FLOATING THRUST TRANSMITTING MEANS IS PROVIDED WITH FLOW CHARACTERIZING MEANS ADJACENT SAID VALVE HEAD EFFECTING A PREDETERMINED PROGRAMMING OF FLOW THROUGH SAID FLOW PORT AS A FUNCTION OF THE DISPLACEMENT OF SAID VALVE ACTUATOR.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |