HYDRO-MECHANICAL TRANSMISSION - KOMATSU MFG CO LTD

Title:

HYDRO-MECHANICAL TRANSMISSION

Document Type and Number:

WIPO Patent Application WO/1996/041977

Kind Code:

A1

Abstract:

A hydro-mechanical transmission (2) that is simple in construction and can make full use of its advantages, in which a hydraulic power transmitting mechanism (10) comprising a hydraulic pump and a pump and a hydraulic motor and a mechanical power transmitting mechanism (20) are switchably provided and in which the speed of input rotation is changed and output, the mechanical power transmitting mechanism (20) comprises at least one planetary mechanism, and an output shaft (24) of the mechanical power transmitting mechanism is provided in such a manner that its output can directly be output to the outside. In addition, the hydraulic pump (11) and the hydraulic motor (12) of the hydraulic power transmitting mechanism are of a variable displacement type, and a directly coupled clutch (30) is interposed between a motor output shaft (14) of the hydraulic power transmitting mechanism and the output shaft (24) of the mechanical power transmitting mechanism.

Inventors:

TAKATORI OSAMU (JP)
FUKUDA EIICHI (JP)

Application Number:

PCT/JP1996/001549

Publication Date:

December 27, 1996

Filing Date:

June 07, 1996

Export Citation:

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Assignee:

KOMATSU MFG CO LTD (JP)
TAKATORI OSAMU (JP)
FUKUDA EIICHI (JP)

International Classes:

F16H47/04; (IPC1-7): F16H47/04

Foreign References:

JPH0560202A	1993-03-09
JPH04203653A	1992-07-24
JPS63167172A	1988-07-11
JPS6159060A	1986-03-26
JPS5395462A	1978-08-21
JPS5022167A	1975-03-10
JPS5076470A	1975-06-23
JPH0544816A	1993-02-23
JPH0544815A	1993-02-23
JPH06159474A	1994-06-07

Other References: