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Title:
REVERSIBLE HYDROSTATIC TRANSMISSION
Document Type and Number:
Japanese Patent JP3671073
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To improve the workability and reliability in assembling by merely inserting a pair of holding members into an assembling position and assembling a damp valve pivotally about the holding part from an unactuated position to an actuated position in a hydrostatic transmission including a radial piston pump and a radial piston motor.
SOLUTION: This hydrostatic transmission to be mounted on a tractor for mowing lawn rotates a motor roller 67, namely, a motor output shaft by feeding pressure fluid via a passage 89, a vertical bore 93, and an axial bore 65. The fluid finishing the work is discharged via the axial bore 63, the vertical bore 91, and the passage 87 and fed to a hydraulic pump via another passage. In this case, check valves 101, 103 intercepting/opening the communication with a case chamber 21 are provided in the respective bores 91, 93. The check valves 101, 103 are simultaneously opened via a pair of erected projections 111, 113 by driving a single damp valve member 107 by the actuator.


Inventors:
Arthur fred the hague
William Alan Bird
Application Number:
JP20991295A
Publication Date:
July 13, 2005
Filing Date:
July 25, 1995
Export Citation:
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Assignee:
EATON CORPORATION
International Classes:
F16H39/16; B60K17/10; F16H39/08; F16H39/18; F16H39/24; F16H61/40; F16H61/4043; (IPC1-7): F16H39/08
Domestic Patent References:
JP62755A
JP63231058A
Foreign References:
US3672168
US5234321
Attorney, Agent or Firm:
Koichiro Kato
Tetsuro Maki
Kimio Kikutani