US3085512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump
Assignee: Bendix Corp
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Filing: 1961-03-08
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Granted: 1963-04-16
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Edward J Alyanak
- 👤 Jr William H Eiszner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:18
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/12; F04B9/129; F01; F01B; F01B3/00; F01B3/0002; F01B3/0008; F04B9/137; F04B9/1376; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86493; Y10T137/86501; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/86702; Y10T137/86863
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A FLUID PUMP COMPRISING A HOUSING HAVING A PLURALITY OF AXIALLY EXTENDING BORES FORMED THEREIN, PISTON MEANS SLIDABLE IN EACH OF SAID BORES, SAID PISTON MEANS DIVIDING EACH OF SAID BORES INTO FIRST AND SECOND VARIABLE VOLUME CHAMBER MEANS, COMPARTMENT MEANS FORMED IN SAID HOUSING FOR CONTAINING A BURNING PROPELLANT WHICH EMITS A PRESSURIZED GASEOUS FLUID, PASSAGE MEANS FOR COMMUNICATING SAID FIRST CHAMBER MEANS WITH SAID PRESSURIZED GASEOUS FLUID, INLET AND OUTLET PORTS FOR PERMITTING FLOW OF A HYDRAULIC FLUID INTO AND OUT OF SAID SECOND CHAMBER MEANS, MEANS FOR URGING SAID PISTON MEANS TOWARDS SAID FIRST CHAMBER MEANS, ROTATABLE DISTRIBUTOR MEANS OPERATIVELY CONNECTED TO SAID HOUSING FOR SEQUENTIALLY ENGAGING EACH OF SAID BORES AND COMMUNICATING THE FIRST CHAMBER MEANS FORMED THEREIN WITH SAID PRESSURIZED GASEOUS FLUID TO CAUSE MOVEMENT OF SAID PISTON MEANS AND CONSEQUENT DISCHARGE OF SAID HYDRAULIC FLUID FROM SAID SECOND CHAMBER MEANS, AND A PLURALITY OF PERIPHERAL JET PASSAGES LOCATED IN SAID DISTRIBUTOR MEANS FOR PERMITTING FLOW OF SAID GASEOUS FLUID THERETHROUGH AND THEREBY CAUSING ROTATION AND ENGAGEMENT OF SAID DISTRIBUTOR MEANS WITH ONE OF THE DISENGAGED BORES AFTER DISCHARGE OF THE HYDRAULIC FLUID FROM THE SECOND CHAMBER OF THE BORE PREVIOUSLY ENGAGED BY SAID DISTRIBUTOR MEANS.
Claim 2
Dependent Claim
201 words
A FLUID PUMP COMPRISING A HOUSING HAVING A PLURALITY OF AXIALLY EXTENDING BORES FORMED THEREIN, PISTON MEANS SLIDABLE IN EACH OF SAID BORES, SAID PISTON MEANS DIVIDING EACH OF SAID BORES INTO FIRST AND SECOND VARIABLE VOLUME CHAMBER MEANS, COMPARTMENT MEANS FORMED IN SAID HOUSING FOR CONTAINING A BURNING PROPELLANT WHICH EMITS A PRESSURIZED GASEOUS FLUID, PASSAGE MEANS FOR COMMUNICATING SAID FIRST CHAMBER MEANS WITH SAID PRESSURIZED GASEOUS FLUID, INLET AND OUTLET PORTS FOR PERMITTING FLOW OF A HYDRAULIC FLUID INTO AND OUT OF SAID SECOND CHAMBER MEANS, MEANS FOR URGING SAID PISTON MEANS TOWARDS SAID FIRST CHAMBER MEANS, ROTATABLE DISTRIBUTOR MEANS OPERATIVELY CONNECTED TO SAID HOUSING FOR SEQUENTIALLY ENGAGING EACH OF SAID BORES AND COMMUNICATING THE FIRST CHAMBER MEANS FORMED THEREIN WITH SAID PRESSURIZED GASEOUS FLUID TO CAUSE MOVEMENT OF SAID PISTON MEANS AND CONSEQUENT DISCHARGE OF SAID HYDRAULIC FLUID FROM SAID SECOND CHAMBER MEANS, AND A PLURALITY OF PERIPHERAL JET PASSAGES LOCATED IN SAID DISTRIBUTOR MEANS FOR PERMITTING FLOW OF SAID GASEOUS FLUID THERETHROUGH AND THEREBY CAUSING ROTATION AND ENGAGEMENT OF SAID DISTRIBUTOR MEANS WITH ONE OF THE DISENGAGED BORES AFTER DISCHARGE OF THE HYDRAULIC FLUID FROM THE SECOND CHAMBER OF THE BORE PREVIOUSLY ENGAGED BY SAID DISTRIBUTOR MEANS.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |