Title:
電子制御式トランスミッションのためのマイクロバルブ
Document Type and Number:
Japanese Patent JP2004501330
Kind Code:
A
Abstract:
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. An electronically controlled automatic transmission, comprising of an input shaft; an output shaft; a plurality of gears providing driving connection between the input shaft and the output shaft; one of a hydraulically operated brake band and a hydraulically operated clutch which is operable to effect a change in the gear reduction provided by the gears between the input shaft and the output shaft; a source of pressurized hydraulic fluid; and a microvalve device selectively operable to control passage of pressurized hydraulic fluid from the source to the one of a hydraulically operated brake band and a hydraulically operated clutch to operate the one of a hydraulically operated brake band and a hydraulically operated clutch.
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Inventors:
Honey Cut, Harry A
Fuller, E Nelson
Fuller, E Nelson
Application Number:
JP2002504412A
Publication Date:
January 15, 2004
Filing Date:
June 20, 2001
Export Citation:
Assignee:
Kelsey Hayes Company
International Classes:
F15C5/00; F16H61/02; F16H61/00; F16K99/00; (IPC1-7): F16H61/00
Domestic Patent References:
| JPH07190190A | 1995-07-28 |
Foreign References:
| WO2000014415A2 | 2000-03-16 | |||
| US5810325A | 1998-09-22 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shigeru Ito
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shigeru Ito