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US3334546A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid drive power transmission

Assignee: Individual
•
Filing: 1965-11-09
•
Granted: 1967-08-08
•
Expires: 1985-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 Vuolle-Apiala Antti Ku Aukusti

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 03:41
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/10; F04C14/14

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 169 words
A HYDRAULIC MOTOR COMPRISING A STATIONARY HOUSING, A CYLINDRICAL ROTOR CHAMBER WITHIN SAID HOUSING, A SHAFT MOUNTED FOR ROTATION ECCENTRICALLY OF SAID CHAMBER AND EXTENDING FROM AT LEAST ONE END OF THE HOUSING, A VANE TYPE ROTOR FASTENED TO SAID SHAFT CONCENTRICALLY THEREWITH WITHIN SAID ROTOR CHAMBER, AN INLET FOR HYDRAULIC FLUID TO AND AN OUTLET FOR HYDRAULIC FLUID FROM SAID ROTOR CHAMBER FOR CONNECTING IT TO A HYDRAULIC FLUID CIRCULATING SYSTEM, AT LEAST ONE GROOVE IN THE INNER SURFACE OF THE ROTOR CHAMBER EXTENDING ALONG THE FREE SPACE BETWEEN SAID ROTOR AND THE PERIPHERY OF THE ROTOR CHAMBER, A REGULATING PIECE SLIDABLY RECEIVED IN SAID GROOVE AND SPANNING THE DISTANCE BETWEEN AT LEAST TWO ADJACENT ROTOR VANES WHILE LEAVING A MAJOR PORTION OF THE LENGTH OF THE GROOVE UNOBSTRUCTED, AND MEANS FOR SHIFTING THE POSITION OF SAID REGULATING PIECE IN SAID GROOVE FOR REGULATING THE SPEED AND TORQUE OF THE POWER OUTPUT FROM SAID SHAFT WHEN A CONSTANT RATE FLUID FLOW IS CIRCULATED THROUGH SAID INLET AND OUTLET.
Claim 2
Dependent Claim 169 words
A HYDRAULIC MOTOR COMPRISING A STATIONARY HOUSING, A CYLINDRICAL ROTOR CHAMBER WITHIN SAID HOUSING, A SHAFT MOUNTED FOR ROTATION ECCENTRICALLY OF SAID CHAMBER AND EXTENDING FROM AT LEAST ONE END OF THE HOUSING, A VANE TYPE ROTOR FASTENED TO SAID SHAFT CONCENTRICALLY THEREWITH WITHIN SAID ROTOR CHAMBER, AN INLET FOR HYDRAULIC FLUID TO AND AN OUTLET FOR HYDRAULIC FLUID FROM SAID ROTOR CHAMBER FOR CONNECTING IT TO A HYDRAULIC FLUID CIRCULATING SYSTEM, AT LEAST ONE GROOVE IN THE INNER SURFACE OF THE ROTOR CHAMBER EXTENDING ALONG THE FREE SPACE BETWEEN SAID ROTOR AND THE PERIPHERY OF THE ROTOR CHAMBER, A REGULATING PIECE SLIDABLY RECEIVED IN SAID GROOVE AND SPANNING THE DISTANCE BETWEEN AT LEAST TWO ADJACENT ROTOR VANES WHILE LEAVING A MAJOR PORTION OF THE LENGTH OF THE GROOVE UNOBSTRUCTED, AND MEANS FOR SHIFTING THE POSITION OF SAID REGULATING PIECE IN SAID GROOVE FOR REGULATING THE SPEED AND TORQUE OF THE POWER OUTPUT FROM SAID SHAFT WHEN A CONSTANT RATE FLUID FLOW IS CIRCULATED THROUGH SAID INLET AND OUTLET.

References Cited (Backward Citations)

US3133617A Cited
US1482807A Cited
US2519523A Cited
US2991930A Cited
US3204736A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-08-07 1971-02-06 1971-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-08-07 1975-02-06 1975-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-08-07 1979-02-06 1979-08-08 $7700.00 Window Closed / Lapsed

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