Patent US3277834A successfully refreshed from Google Patents.
US3277834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary radial piston machine with enlarged piston stroke
Assignee: Individual
•
Filing: 1963-07-09
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Granted: 1966-10-11
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Eickmann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:31
CPC Classifications
F; F01; F01B; F01B1/00; F01B1/06; F01B1/0641; F01B1/0648; F01B1/0644; F01B1/0655; F01B13/00; F01B13/04; F01B13/06; F01B13/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A FLUID HANDLING MACHINE COMPRISING, IN COMBINATION TION, A CASING, A FLUID HANDLING BODY SUPPORTED IN SAID CASING AND FORMED WITH ANGULARLY SPACED SUBSTANTIALLY RADIAL BORES CONSTITUTING CYLINDERS; PISTONS RECIPROCABLE IN SAID CYLINDERS DURING ROTATION OF SAID ROTOR TO CYCLICALLY VARY THE EFFECTIVE VOLUMES OF SAID CYLINDERS TO DISPLACE FLUID RELATIVE TO SAID CYLINDERS; GUIDE MEANS RADIALLY OF SAID FLUID HANDLING BODY; AND GUIDE SHOES, EACH OPERATIVELY CONNECTED TO A RESPECTIVE PISTON, OPERATIVELY ENGAGED WITH SAID GUIDE MEANS TO RECIPROCATE THE ASSOCIATED PISTONS; SAID GUIDE MEANS INCLUIDNG MEANS HAVING A CYLINDRICAL GUIDE SURFACE FORMED WITH AT LEAST ONE AXIALLY NARROW ANNULAR GUIDE GROOVE THEREIN OPENING RADIALLY THEREOF; SAID FLUID HANDLING BODY HAVING AT LEAST ONE RADIALLY EXTENDING AXIALLY NARROW ANNULAR RIB THEREON, EACH RIB EXTENDING AT LEAST PARTIALLY INTO THE ASSOCIATED GUIGE GROOVE IN SAID GUIDE MEANS.
Claim 2
Dependent Claim
137 words
A FLUID HANDLING MACHINE COMPRISING, IN COMBINATION TION, A CASING, A FLUID HANDLING BODY SUPPORTED IN SAID CASING AND FORMED WITH ANGULARLY SPACED SUBSTANTIALLY RADIAL BORES CONSTITUTING CYLINDERS; PISTONS RECIPROCABLE IN SAID CYLINDERS DURING ROTATION OF SAID ROTOR TO CYCLICALLY VARY THE EFFECTIVE VOLUMES OF SAID CYLINDERS TO DISPLACE FLUID RELATIVE TO SAID CYLINDERS; GUIDE MEANS RADIALLY OF SAID FLUID HANDLING BODY; AND GUIDE SHOES, EACH OPERATIVELY CONNECTED TO A RESPECTIVE PISTON, OPERATIVELY ENGAGED WITH SAID GUIDE MEANS TO RECIPROCATE THE ASSOCIATED PISTONS; SAID GUIDE MEANS INCLUIDNG MEANS HAVING A CYLINDRICAL GUIDE SURFACE FORMED WITH AT LEAST ONE AXIALLY NARROW ANNULAR GUIDE GROOVE THEREIN OPENING RADIALLY THEREOF; SAID FLUID HANDLING BODY HAVING AT LEAST ONE RADIALLY EXTENDING AXIALLY NARROW ANNULAR RIB THEREON, EACH RIB EXTENDING AT LEAST PARTIALLY INTO THE ASSOCIATED GUIGE GROOVE IN SAID GUIDE MEANS.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |