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Patent Searching and Data


Title:
COMBINED HARVESTER AND THRESHER
Document Type and Number:
Japanese Patent JP2012087922
Kind Code:
A
Abstract:

To provide a combined harvester and thresher for improving operability, by switching an advance-retreat even if a hydraulic-mechanical continuously variable transmission is mounted.

A transmission 100 (200) includes: a traveling HMT 10 constituted so that a travelling pump 20 and a travelling motor 30 are arranged on the same axis, a cylinder block 24 having an input side plunger 25 and an output side plunger 31 is fixed to a traveling pump shaft 12 and a rotating speed of a traveling motor shaft 14 can be increased or reduced up to a predetermined speed from a stopping state by synthesizing rotational power transmitted to the traveling motor shaft 14 via the output side plunger 31 by rotation of the cylinder block 24 and rotational power transmitted to the traveling motor shaft 14 via the output side plunger 31 reciprocated by hydraulic pressure of a hydraulic fluid supplied-discharged by the input side plunger 25; and an advance-retreat switching device 50 interlocked with/connected to the traveling motor shaft 14 and switching the rotational direction of the rotational power.


Inventors:
OYA TERUMITSU
SHINPO YOSHITAKA
KIYOOKA KOJI
Application Number:
JP2010000237841
Publication Date:
May 10, 2012
Filing Date:
October 22, 2010
Export Citation:
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Assignee:
YANMAR CO LTD
International Classes:
F16H47/02; A01D67/00; A01D69/03; F16H39/08
Attorney, Agent or Firm:
矢野 寿一郎