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Patent Searching and Data


Title:
CONTROL VALVE UNIT
Document Type and Number:
WIPO Patent Application WO/1999/054650
Kind Code:
A1
Abstract:
In an EGR valve or an ISC valve used as control valve unit for regulating the passing quantity of controlled fluid circulating in internal combustion engines for automobiles and the like, the fluid path is provided within a housing and a control valve for controlling the flow rate of the controlled fluid flowing through the fluid path is provided within the fluid path so that the spindle of the valve can maintain satisfactory slidableness even when the controlled fluid contains carbon or foreign matters and, furthermore, a stable coaxial position and holding performance can be obtained with respect to the linear drive of the valve spindle. And a valve spindle is provided to support this control valve; operating means to open and close the control valve by operating the valve spindle is provided at one end of the valve spindle; a first bearing to support the valve spindle slidably is fitted to the housing on one side of the control valve; and a second bearing held in the housing by a holding member on the other side of the control valve and having elasticity to support the valve spindle slidably is provided.

Inventors:
MIYAKE TOSHIHIKO (JP)
Application Number:
PCT/JP1998/001860
Publication Date:
October 28, 1999
Filing Date:
April 23, 1998
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
MIYAKE TOSHIHIKO (JP)
International Classes:
F02M3/07; F02M25/07; (IPC1-7): F16K1/32; F02M25/07
Foreign References:
JPS5934057U1984-03-02
JPH0392682A1991-04-17
JPS58178563U1983-11-29
JPH0614054A1994-01-21
Other References:
See also references of EP 0990826A4
Attorney, Agent or Firm:
Miyata, Kaneo (2-3 Marunouchi 2-chom, Chiyoda-ku Tokyo, JP)
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