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Title:
HYDRAULIC CONTINUOUSLY VARIABLE TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2007333005
Kind Code:
A
Abstract:

To provide a hydraulic servo mechanism capable of improving the degree of freedom on layout, while securing a function, and a hydraulic continuously variable transmission device capable of realizing a compact configuration.

This hydraulic continuously variable transmission device 1 for tilting a movable swash plate (input side swash plate 6) of a hydraulic pump of a plunger type variable capacity type or the hydraulic motor by a hydraulic servo mechanism 3, the hydraulic servo mechanism 3 has a configuration equipped with a power piston 15 tilted and driven in the connected state to one end of the input side swash plate 6; a servo spool 13 arranged approximately in parallel with the input side swash plate 6, in the orthogonal direction to a sliding direction of the power piston 15; and a feedback link 24 for connecting the servo spool 13 to the input side swash plate 6.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
EGUCHI SHINGO
SHIOZAKI SHUJI
OUCHIDA TAKASHI
Application Number:
JP2006162751A
Publication Date:
December 27, 2007
Filing Date:
June 12, 2006
Export Citation:
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Assignee:
YANMAR CO LTD
International Classes:
F16H39/14
Domestic Patent References:
JPH11351134A1999-12-21
Attorney, Agent or Firm:
矢野 寿一郎