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Title:
GEAR BOX FOR AUTOMOBILE
Document Type and Number:
Japanese Patent JP2014149079
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To optimize a constitution of a component of an electro-hydraulic system to minimize manufacturing costs and problems in assembling, preferably to provide a double clutch type gear box.SOLUTION: A gear box 100 includes: an electro-hydraulic actuator unit 106 selecting and using a plurality of gear ratios in a forward direction and at least one gear ratio in a backward direction. The gear box includes: a first hydraulic pump 108; and a second hydraulic pump 110. The first hydraulic pump is driven to be rotated by an electric motor, and supplies a hydraulic fluid introduced from a first suction environment to the electro-hydraulic actuator unit, and the second hydraulic pump is driven to be rotated by an engine of an automobile, supplies a hydraulic fluid introduced from a second suction environment 112 to the gear box to moisten the gear box, and supplies the same to the first suction environment.

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Inventors:
MARCO GARABELLO
ANDREA PIAZZA
Application Number:
JP2013259782A
Publication Date:
August 21, 2014
Filing Date:
December 17, 2013
Export Citation:
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Assignee:
CRF SOCIET CONSORTILE PER AZIONI
International Classes:
F16H3/093
Domestic Patent References:
JP2008504492A2008-02-14
JP2005172220A2005-06-30
JP2009079616A2009-04-16
JP2002544450A2002-12-24
JP2005180702A2005-07-07
JP2008504492A2008-02-14
JP2005172220A2005-06-30
JP2009079616A2009-04-16
JP2002544450A2002-12-24
JP2005180702A2005-07-07
Foreign References:
DE10216002A12003-05-28
US4721185A1988-01-26
US20030116396A12003-06-26
DE10216002A12003-05-28
US4721185A1988-01-26
US20030116396A12003-06-26
Attorney, Agent or Firm:
Ryuka international patent business corporation



 
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