US3133503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pressure transformer
Assignee: Bendix Corp
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Filing: 1962-05-25
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Granted: 1964-05-19
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Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Milo W Sheler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:04
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/111; F04B9/1115; B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/148; F04B1/00; F04B1/12; F04B1/14; F04B1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
A HYDRAULIC INTENSIFIER FOR GENERATING A HIGH PRESSURE FROM A LOW PRESSURE SOURCE COMPRISING A HOUSING HAVING A LOW PRESSURE HYDRAULIC INLET PORT, A RETURN PORT, AND A HIGH PRESSURE HYDRAULIC OUTLET PORT, A PLURALITY OF AXIALLY EXTENDING MOTOR CYLINDERS LOCATED IN SAID HOUSING AND EQUALLY SPACED FROM EACH OTHER AND A CENTRAL AXIS, A VALVE CHAMBER LOCATED IN SAID HOUSING, A SEPARATE CYLINDER PORT COMMUNICATING SAID CHAMBER WITH EACH OF SAID MOTOR CYLINDERS, FIRST PASSAGE MEANS FOR COMMUNICATING SAID INLET PORT WITH SAID CHAMBER, SECOND PASSAGE MEANS FOR COMMUNICATING SAID RETURN PORT WITH SAID CHAMBER, A GYRATING DISC VALVE LOCATED IN SAID CHAMBER FOR SEQUENTIALLY COMMUNICATING SAID MOTOR CYLINDERS WITH SAID INLET AND RETURN PORTS VIA SAID CYLINDER PORTS, A MOVABLE LARGE DIAMETER MOTOR PISTON LOCATED IN EACH OF SAID MOTOR CYLINDERS, A PLURALITY OF AXIALLY EXTENDING PUMP CYLINDERS LOCATED IN SAID HOUSING AND EQUALLY SPACED FROM EACH OTHER AND A CENTRAL AXIS, A MOVABLE SMALL DIAMETER PUMP PISTON LOCATED IN EACH OF SAID PUMP CYLINDERS, EACH OF SAID PUMP PISTONS BEING DIRECTLY ENGAGED BY ONE OF SAID MOTOR PISTONS, A NUTATING MEMBER CENTRALLY LOCATED WITH RESPECT TO SAID CYLINDERS AND OPERATIVELY CONNECTED TO SAID MOTOR PISTONS TO BE DRIVEN THEREBY, A SHAFT HAVING AN ECCENTRIC JOURNAL FOR DRIVING SAID DISC VALVE AND NINETY DEGREES
Claim 2
Dependent Claim
216 words
A HYDRAULIC INTENSIFIER FOR GENERATING A HIGH PRESSURE FROM A LOW PRESSURE SOURCE COMPRISING A HOUSING HAVING A LOW PRESSURE HYDRAULIC INLET PORT, A RETURN PORT, AND A HIGH PRESSURE HYDRAULIC OUTLET PORT, A PLURALITY OF AXIALLY EXTENDING MOTOR CYLINDERS LOCATED IN SAID HOUSING AND EQUALLY SPACED FROM EACH OTHER AND A CENTRAL AXIS, A VALVE CHAMBER LOCATED IN SAID HOUSING, A SEPARATE CYLINDER PORT COMMUNICATING SAID CHAMBER WITH EACH OF SAID MOTOR CYLINDERS, FIRST PASSAGE MEANS FOR COMMUNICATING SAID INLET PORT WITH SAID CHAMBER, SECOND PASSAGE MEANS FOR COMMUNICATING SAID RETURN PORT WITH SAID CHAMBER, A GYRATING DISC VALVE LOCATED IN SAID CHAMBER FOR SEQUENTIALLY COMMUNICATING SAID MOTOR CYLINDERS WITH SAID INLET AND RETURN PORTS VIA SAID CYLINDER PORTS, A MOVABLE LARGE DIAMETER MOTOR PISTON LOCATED IN EACH OF SAID MOTOR CYLINDERS, A PLURALITY OF AXIALLY EXTENDING PUMP CYLINDERS LOCATED IN SAID HOUSING AND EQUALLY SPACED FROM EACH OTHER AND A CENTRAL AXIS, A MOVABLE SMALL DIAMETER PUMP PISTON LOCATED IN EACH OF SAID PUMP CYLINDERS, EACH OF SAID PUMP PISTONS BEING DIRECTLY ENGAGED BY ONE OF SAID MOTOR PISTONS, A NUTATING MEMBER CENTRALLY LOCATED WITH RESPECT TO SAID CYLINDERS AND OPERATIVELY CONNECTED TO SAID MOTOR PISTONS TO BE DRIVEN THEREBY, A SHAFT HAVING AN ECCENTRIC JOURNAL FOR DRIVING SAID DISC VALVE AND NINETY DEGREES
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |