Title:
THROTTLE VALVE
Document Type and Number:
Japanese Patent JP2015194167
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To drive the valve element of a throttle valve with an electric motor of small output.SOLUTION: A throttle valve 10 continuously increases or decreases, by a throttle valve element 22, the flow rate of air flowing in a communication hole 17 which provides communication between a first port 11 and a second port 12. A valve seat member 15 having the communication hole 17 is installed in a housing 13. An electric motor 25 is installed in a motor housing hole 24 formed in the housing 13. The throttle valve element 22 is driven in the axial direction by a motor shaft 28 of the electric motor 25. A fixed seal member 41 of a large diameter seals between the motor housing hole 24 and the electric motor 25, and the motor shaft 28 is sealed by a rotary seal member 42 of a small diameter.
Inventors:
SAITO HISASHI
OBA RYOTARO
OBA RYOTARO
Application Number:
JP2014071092A
Publication Date:
November 05, 2015
Filing Date:
March 31, 2014
Export Citation:
Assignee:
KOGANEI LTD
International Classes:
F16K41/04; F16K31/04
Domestic Patent References:
| JP2010138941A | 2010-06-24 | |||
| JP2008169863A | 2008-07-24 | |||
| JPS5977179A | 1984-05-02 | |||
| JP2004161062A | 2004-06-10 |
Attorney, Agent or Firm:
Yamato Tsutsui
Yoshitaka Kozuka
Akiko Tsutsui
Yoshitaka Kozuka
Akiko Tsutsui