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Title:
FLUID TRANSFER CIRCUIT FOR CONTROLLING WEAR OF WHEEL
Document Type and Number:
Japanese Patent JP2007255710
Kind Code:
A
Abstract:

To provide an electronic control system which is used in an automobile having a plurality of hydraulic driven wheels and controls friction between the wheel and a travelling surface.

The electronic control system comprises a plurality of digital variable displacement pumps, a plurality of driving systems including a motor for driving the wheels and a counterbalance valve, and a valve coordinated with each driving system for electronically controlling the flow amount of fluid. The electronic control system also has a digital sensor and a proportional sensor for feeding signals to a controller which controls the operation of the digital variable displacement pumps, and a steering mechanism electrically connected thereto.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
CALDWELL NIALL J
Application Number:
JP2007067757A
Publication Date:
October 04, 2007
Filing Date:
March 16, 2007
Export Citation:
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Assignee:
SAUER DANFOSS INC
International Classes:
F15B11/02; B62D11/04; F15B11/17; F16H39/02
Domestic Patent References:
JPH04501294A1992-03-05
JPH05503335A1993-06-03
JP2005538299A2005-12-15
JP2005155686A2005-06-16
JPS5123779B21976-07-19
JPS5463330U1979-05-04
JPS55129121U1980-09-12
JPS6243319A1987-02-25
JPH04501294A1992-03-05
JPH05503335A1993-06-03
JP2005538299A2005-12-15
JP2005155686A2005-06-16
JPS5123779B21976-07-19
JPS5463330U1979-05-04
JPS55129121U1980-09-12
JPS6243319A1987-02-25
Foreign References:
US20040245029A12004-12-09
US20060118346A12006-06-08
US20040245029A12004-12-09
US20060118346A12006-06-08
Attorney, Agent or Firm:
竹沢 荘一
中馬 典嗣