US3204565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Unisys Corp
•
Filing: 1962-05-09
•
Granted: 1965-09-07
•
Expires: 1982-05-09
Abstract
No abstract record available.
Inventors
- 👤 Kingston V Kirkpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:23
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/04; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F03; F03C; F03C2/00; F03C2/30; F04C15/00; F04C15/0003; F04C15/0023; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A FLUID PRESSURE ENERGY TRANSLATING DEVICE COMPRISING: A HOUSING; AN AXIALLY SHIFTABLE RING MEMBER IN SAID HOUSING; A ROTOR ROTATABLY MOUNTED WITHIN THE RING MEMBER AND FORMING A WORKING CHAMBER; A FIRST FLOATABLY MOUNTED CHEEK PLATE MEMBER HAVING HYDRAULIC PRESSURE APPLIED TO ONE FACE THEREOF, THE OPPOSED FACE THEREOF MECHANICALLY CONTACTING ONE FACE OF SAID RING MEMBER IN A GENERALLY ANNULAR REGION LOCATED NEAR THE PERIPHERY OF SAID CHEEK PLATE MEMBER; A SECOND SHEEK PLATE MEMBER HAVING ONE FACE MECHANICALLY CONTACTING THE OTHER FACE OF SAID RING IN A GENERALLY ANNULAR REGION LOCATED NEAR THE PERIPHERY OF SAID SECOND CHEEK PLATE MEMBER, THE OTHER FACE OF SAID SECOND CHEEK PLATE MEMBER BEING EXPOSED TO PRESSURE RELATIVELY LOWER THAN APPLIED TO THE FIRST CHEEK PLATE MEMBER AND MECHANICALLY CONTACTING SAID HOUSING AXIALLY ONLY IN A REGION RADIALLY INWARD FROM SAID GENERALLY ANNULAR REGION.
Claim 2
Dependent Claim
142 words
A FLUID PRESSURE ENERGY TRANSLATING DEVICE COMPRISING: A HOUSING; AN AXIALLY SHIFTABLE RING MEMBER IN SAID HOUSING; A ROTOR ROTATABLY MOUNTED WITHIN THE RING MEMBER AND FORMING A WORKING CHAMBER; A FIRST FLOATABLY MOUNTED CHEEK PLATE MEMBER HAVING HYDRAULIC PRESSURE APPLIED TO ONE FACE THEREOF, THE OPPOSED FACE THEREOF MECHANICALLY CONTACTING ONE FACE OF SAID RING MEMBER IN A GENERALLY ANNULAR REGION LOCATED NEAR THE PERIPHERY OF SAID CHEEK PLATE MEMBER; A SECOND SHEEK PLATE MEMBER HAVING ONE FACE MECHANICALLY CONTACTING THE OTHER FACE OF SAID RING IN A GENERALLY ANNULAR REGION LOCATED NEAR THE PERIPHERY OF SAID SECOND CHEEK PLATE MEMBER, THE OTHER FACE OF SAID SECOND CHEEK PLATE MEMBER BEING EXPOSED TO PRESSURE RELATIVELY LOWER THAN APPLIED TO THE FIRST CHEEK PLATE MEMBER AND MECHANICALLY CONTACTING SAID HOUSING AXIALLY ONLY IN A REGION RADIALLY INWARD FROM SAID GENERALLY ANNULAR REGION.
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |