US3093079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable volume fuel injection distributor pump
Assignee: Individual
•
Filing: 1957-02-20
•
Granted: 1963-06-11
•
Expires: 1977-02-20
Abstract
No abstract record available.
Inventors
- 👤 George C Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:51
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0408; F02; F02M; F02M55/00; F02M59/00; F02M59/02; F02M59/04; F02M59/06; F02M59/20; F02M59/30; F04B1/0421; F04B1/0452; F04B1/0465; F04B1/06; F04B1/07; F04B1/10; F04B1/113; F04B1/1133; F04B23/00; F04B23/04; F04B23/08; F04B23/10; F04B23/103; F04B49/00; F04B49/12; F04B49/123; F04B49/128; F02M55/007; F04B1/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86501
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
402 words
A VARIABLE VOLUME PUMP COMPRISING A HOUSING, A PAIR OF END PLATES IN SAID HOUSING DEFINING A CHAMBER BETWEEN THEIR OPPOSING INTERIOR WALLS, A MEMBER ROTAABLE UPON A STATIONARY AXIS WITHIN SAID CHAMBER, THE WALLS OF SAID MEMBER BEING IN INTIMATE SLIDING CONTACT WITH RESPECTIVE OPPOSING INTERIOR WALLS OF SAID END PLATES, TWO LONGITUDINAL PAIRS OF CYLINDERS IN SAID MEMBER, EACH PAIR ARRAYED SUBSTANTALLY 90* RELATIVE TO THE OTHER, SAID CYLINDERS BEING CLOSED AT THEIR OUTER ENDS, EACH PAIR OF CYLINDERS BEING OPERATIVE IN CONJUCTION WITH A RESPECTIVE ONE OF SAID PAIR OF END PLATES, A PORT FOR EACH OF SAID CYLINDERS, THE PORTS OF ONE LONGITUDINAL PAIR OF CYLINDERS BEING CUT THROUGH ONE SLIDING WALL OF SAID MEMBER AND THE PORTS OF THE OTHER PAIR OF CYLINDERS BEING CUT THROUGH THE OPPOSITE WALL OF SAID MEMBER, THE PORT IN ONE CYLINDER OF EACH PAIR OF CYLINDERS BEING DISPLACED RADIALLY A GREATER DISTANCE FROM THE AXIS OF SAID MEMBER THAN THE PORT OF THE OTHER CYLINDER OF SAID PAIR, A PISTON IN EACH OF SAID CYLINDERS, MEANS CONNECTED TO EACH OF THE PISTONS AND MOVABLE INTO VARIOUS POSITIONS ECCENTRIC TO SAID AXIS FOR PRODUCING LONGITUDINAL MOTION OF SAID PISTONS IN SAID CYLINDERS WHEREBY DURING THE SUCTION STROKE OF A PISTON IN ONE CYLINDER OF SAID PAIR OF CYLINDERS THE PISTON IN THE OTHER CYLINDER OF SAID PAIR IS PRODUCING A PRESSURE STROKE, EACH OF SAID ALTERNATE PRESSURE AND SUCTION STROKES OCCURRING DURING SUBSTANTIALLY 180* OF THE ROTATION OF SAID MEMBER, SAID MOVABLE MEANS SERVING AS AN AXIS FOR SAID PISTONS INDEPENDENT OF THE AXIS OF ROTATION OF SAID MEMBER, AN ARCUTATE INLET PORT ON THE INTERIOR WALL OF EACH END PLATE AND BEING TRAVERSED BY A CYLINDER PORT DURING THE TIME THAT ITS RESPECTIVE PISTON IS PERFORMING ITS SUCTION STROKE, AND A FIRST GROUP OF SEPARATE CIRCUMFERENTIALLY SPACED, ARCUATE DISCHSARGE PORTS ON THE INTERIOR WALL OF EACH END PLATE TRAVERSABLE SUCCESSIVELY BY THE PORT OF ONE OF ITS RESPECTIVE PAIR OF CYLINDERS, AND A SECOND GROUP OF SEPARATE, CIRCUMFERENTIALLY SPACED, ARCUATE DISCHARGE PORTS ON THE INTERIOR WALL OF EACH END PLATE TRAVERSABLE SUCCESSIVELY BY THE PORT OF THE OTHER OF SAID RESPECTIVE PAIR OF CYLINDERS, EACH GROUP OF DISCHARGE PORTS BEING POSITIONED IN A CORRESPONDING SECTOR OF ITS RESPECTIVE END PLATE WHERE EACH PISTON IS PERFORMING ITS PUMPING STROKE IN THE CYLINDER WHOSE PORT IS TRAVERSING ITS CORRESPONDING GROUP OF DISCHARGE PORTS.
Claim 2
Dependent Claim
402 words
A VARIABLE VOLUME PUMP COMPRISING A HOUSING, A PAIR OF END PLATES IN SAID HOUSING DEFINING A CHAMBER BETWEEN THEIR OPPOSING INTERIOR WALLS, A MEMBER ROTAABLE UPON A STATIONARY AXIS WITHIN SAID CHAMBER, THE WALLS OF SAID MEMBER BEING IN INTIMATE SLIDING CONTACT WITH RESPECTIVE OPPOSING INTERIOR WALLS OF SAID END PLATES, TWO LONGITUDINAL PAIRS OF CYLINDERS IN SAID MEMBER, EACH PAIR ARRAYED SUBSTANTALLY 90* RELATIVE TO THE OTHER, SAID CYLINDERS BEING CLOSED AT THEIR OUTER ENDS, EACH PAIR OF CYLINDERS BEING OPERATIVE IN CONJUCTION WITH A RESPECTIVE ONE OF SAID PAIR OF END PLATES, A PORT FOR EACH OF SAID CYLINDERS, THE PORTS OF ONE LONGITUDINAL PAIR OF CYLINDERS BEING CUT THROUGH ONE SLIDING WALL OF SAID MEMBER AND THE PORTS OF THE OTHER PAIR OF CYLINDERS BEING CUT THROUGH THE OPPOSITE WALL OF SAID MEMBER, THE PORT IN ONE CYLINDER OF EACH PAIR OF CYLINDERS BEING DISPLACED RADIALLY A GREATER DISTANCE FROM THE AXIS OF SAID MEMBER THAN THE PORT OF THE OTHER CYLINDER OF SAID PAIR, A PISTON IN EACH OF SAID CYLINDERS, MEANS CONNECTED TO EACH OF THE PISTONS AND MOVABLE INTO VARIOUS POSITIONS ECCENTRIC TO SAID AXIS FOR PRODUCING LONGITUDINAL MOTION OF SAID PISTONS IN SAID CYLINDERS WHEREBY DURING THE SUCTION STROKE OF A PISTON IN ONE CYLINDER OF SAID PAIR OF CYLINDERS THE PISTON IN THE OTHER CYLINDER OF SAID PAIR IS PRODUCING A PRESSURE STROKE, EACH OF SAID ALTERNATE PRESSURE AND SUCTION STROKES OCCURRING DURING SUBSTANTIALLY 180* OF THE ROTATION OF SAID MEMBER, SAID MOVABLE MEANS SERVING AS AN AXIS FOR SAID PISTONS INDEPENDENT OF THE AXIS OF ROTATION OF SAID MEMBER, AN ARCUTATE INLET PORT ON THE INTERIOR WALL OF EACH END PLATE AND BEING TRAVERSED BY A CYLINDER PORT DURING THE TIME THAT ITS RESPECTIVE PISTON IS PERFORMING ITS SUCTION STROKE, AND A FIRST GROUP OF SEPARATE CIRCUMFERENTIALLY SPACED, ARCUATE DISCHSARGE PORTS ON THE INTERIOR WALL OF EACH END PLATE TRAVERSABLE SUCCESSIVELY BY THE PORT OF ONE OF ITS RESPECTIVE PAIR OF CYLINDERS, AND A SECOND GROUP OF SEPARATE, CIRCUMFERENTIALLY SPACED, ARCUATE DISCHARGE PORTS ON THE INTERIOR WALL OF EACH END PLATE TRAVERSABLE SUCCESSIVELY BY THE PORT OF THE OTHER OF SAID RESPECTIVE PAIR OF CYLINDERS, EACH GROUP OF DISCHARGE PORTS BEING POSITIONED IN A CORRESPONDING SECTOR OF ITS RESPECTIVE END PLATE WHERE EACH PISTON IS PERFORMING ITS PUMPING STROKE IN THE CYLINDER WHOSE PORT IS TRAVERSING ITS CORRESPONDING GROUP OF DISCHARGE PORTS.
References Cited (Backward Citations)
GB137482A
Cited
GB128020A
Cited
US1904653A
Cited
US1974961A
Cited
US2016812A
Cited
GB463854A
Cited
GB529664A
Cited
US2248452A
Cited
CH215745A
Cited
US2332665A
Cited
US2506974A
Cited
US2452470A
Cited
AT163354B
Cited
US2581764A
Cited
US2557508A
Cited
US2633187A
Cited
US2651999A
Cited
FR1044469A
Cited
US2720344A
Cited
US2827852A
Cited
US2716944A
Cited
US2764964A
Cited
US2969738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |