US3387748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor driven metering valve
Assignee: Individual
•
Filing: 1966-09-09
•
Granted: 1968-06-11
•
Expires: 1986-09-09
Abstract
No abstract record available.
Inventors
- 👤 George R Brenchley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:47
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/04; F16K31/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A DEVICE FOR CONTROLLING THE VOLUME OF FLUID FLOWING WITHIN A CONDUIT, WHICH COMPRISES: A BODY DEFINING AN ENCLOSED INTERNAL CHAMBER AND HAVING A FLUID INLET AND A FLUID OUTLET IN COMMUNICATION WITH SAID INTERNAL CHAMBER; A SPHERICAL BALL ROTATABLY MOUNTED WITHIN SAID INTERNAL CHAMBER AND ADAPTED TO ROTATE AROUND AN AXIS NORMAL TO SAID BODY, SAID BALL HAVING A DIAMETRAL PORT EXTENDING THERETHROUGH NORMAL TO THE AXIS OF ROTATION OF THE BALL; A PISTON RECIPROCALLY MOUNTED WITHIN SAID PORT; A PAIR OF ANNULAR SEALING RINGS ADAPTED FOR MOUNTING IN SAID BODY ON EITHER SIDE OF SAID BALL, SAID SEALING RINGS HAVING A CONCAVE INNER SURFACE ADAPTED TO FRICTIONALLY ENGAGE SAID SPHERICAL BALL OVER A SUBSTANTIAL PORTION OF ITS SURFACE; DRIVE MEANS FOR ROTATABLY DRIVING SAID BALL; AND MEANS FOR SUPPORTING SAID DRIVE MEANS FROM SAID BODY.
Claim 2
Independent Claim
137 words
A DEVICE FOR CONTROLLING THE VOLUME OF FLUID FLOWING WITHIN A CONDUIT, WHICH COMPRISES: A BODY DEFINING AN ENCLOSED INTERNAL CHAMBER AND HAVING A FLUID INLET AND A FLUID OUTLET IN COMMUNICATION WITH SAID INTERNAL CHAMBER; A SPHERICAL BALL ROTATABLY MOUNTED WITHIN SAID INTERNAL CHAMBER AND ADAPTED TO ROTATE AROUND AN AXIS NORMAL TO SAID BODY, SAID BALL HAVING A DIAMETRAL PORT EXTENDING THERETHROUGH NORMAL TO THE AXIS OF ROTATION OF THE BALL; A PISTON RECIPROCALLY MOUNTED WITHIN SAID PORT; A PAIR OF ANNULAR SEALING RINGS ADAPTED FOR MOUNTING IN SAID BODY ON EITHER SIDE OF SAID BALL, SAID SEALING RINGS HAVING A CONCAVE INNER SURFACE ADAPTED TO FRICTIONALLY ENGAGE SAID SPHERICAL BALL OVER A SUBSTANTIAL PORTION OF ITS SURFACE; DRIVE MEANS FOR ROTATABLY DRIVING SAID BALL; AND MEANS FOR SUPPORTING SAID DRIVE MEANS FROM SAID BODY.
References Cited (Backward Citations)
US919787A
Cited
US1887347A
Cited
US1882697A
Cited
FR806316A
Cited
US2969632A
Cited
US3172578A
Cited
US3187949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |