Title:
二重液圧機械トランスミッション
Document Type and Number:
Japanese Patent JP2008546958
Kind Code:
A
Abstract:
The transmission (400) includes an orbital gear complex (404, 416) in combination with a variable hydraulic pump (408) and motor (406). The input (420) to the transmission is increased in speed by the orbital gearing such that, when the pump and motor are not operating, the orbiter (404) is stationary, and the orbital gearing produces an overdrive condition. A gear reduction is accomplished by rotating the web (426) with the web-rotating device (403), providing a high gear reduction. The pump and motor are preferably long- piston hydraulic machines (110) with infinitely variable swash plates. The hydraulic machines preferably have wobblers stabilized by full gimbals and hold-down plates with elongated holes for the long pistons to eliminate possible impacts between the hold-down plates and the head ends of the long pistons when the swash-plates are at or near their maximum angle of inclination.
Inventors:
Greaseman, Keith Yee
Urona, Matthew Earl
Urona, Matthew Earl
Application Number:
JP2008517099A
Publication Date:
December 25, 2008
Filing Date:
June 15, 2006
Export Citation:
Assignee:
Tovek Incorporated
International Classes:
B60K17/00; B60K17/10; B60W30/18; B60W30/188; F04B1/16; F16H39/12; F16H39/14; F16H61/46; F16H61/462; F16H47/04
Domestic Patent References:
| JP2004076934A | 2004-03-11 | |||
| JPS351158B1 | ||||
| JPH0811592A | 1996-01-16 | |||
| JPS6435168A | 1989-02-06 | |||
| JP2002529651A | 2002-09-10 | |||
| JP2002129990A | 2002-05-09 | |||
| JP2006510833A | 2006-03-30 | |||
| JPS57108476A | 1982-07-06 | |||
| JPH10246176A | 1998-09-14 |
Foreign References:
| WO2004020827A2 | 2004-03-11 |
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita