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Title:
POWER TRANSMISSION DEVICE AND RADIAL PISTON PUMP
Document Type and Number:
Japanese Patent JP2006112460
Kind Code:
A
Abstract:

To provide a power transmission device which requires no dedicated transmission device on the output side of a power source.

The power transmission device comprises a radial piston pump 7 which is driven as interlocked with relative rotation of a first rotational member 6 and a second rotational member 2. The radial piston pump 7 comprises a piston 11 attached to the first rotational member and an oil chamber 14 in which an oil is intaked and discharged by the operation of the piston 11. At least one of an intake state control valve for controlling intake state of an oil into the oil chamber 14 and a discharge state control valve for controlling discharge state of the oil from the oil chamber 14 is provided. The second rotational member 2 is provided with cams 36 and 81 that are engaged with the piston 11 and operate the piston 11 in the radial direction of the first rotational member 6 and the second rotational member 2.


Inventors:
SHIOIRI HIROYUKI
NOMASA HITOSHI
Application Number:
JP2004297881A
Publication Date:
April 27, 2006
Filing Date:
October 12, 2004
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F16D31/02; F04B1/10; F04B1/107; F04B1/113; F04B9/02; F16H25/06; F16H61/00
Attorney, Agent or Firm:
Watanabe Takeshi