TWI265211B - Throttle valve and piston ring thereof - Google Patents

Throttle valve and piston ring thereof

Info

Publication number
TWI265211B
TWI265211B TW94100362A TW94100362A TWI265211B TW I265211 B TWI265211 B TW I265211B TW 94100362 A TW94100362 A TW 94100362A TW 94100362 A TW94100362 A TW 94100362A TW I265211 B TWI265211 B TW I265211B
Authority
TW
Taiwan
Prior art keywords
piston ring
throttle valve
cambered surface
housing
channel
Prior art date
Application number
TW94100362A
Other languages
Chinese (zh)
Other versions
TW200624595A (en
Inventor
Chien-Hsing Lai
Ying-Yi Chang
Chao-Hsien Cheng
Wen-Chen Shi
Ji-Zhen Huang
Original Assignee
United Microelectronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United Microelectronics Corp filed Critical United Microelectronics Corp
Priority to TW94100362A priority Critical patent/TWI265211B/en
Publication of TW200624595A publication Critical patent/TW200624595A/en
Application granted granted Critical
Publication of TWI265211B publication Critical patent/TWI265211B/en

Links

Landscapes

  • Safety Valves (AREA)

Abstract

A throttle valve connects with a chamber for adjusting air pressure in the chamber. The throttle valve has a housing having a channel in it, a piston ring positioned at an end of the channel, a stopper positioned in the channel, and a driver for rotating the stopper. The piston ring has a plane surface contacting with the housing, a first cambered surface contacting with the housing and vertically connecting with the plane surface, and a second cambered surface connecting with the first cambered surface. The second cambered surface of the piston ring contacts with a third cambered surface of the stopper.
TW94100362A 2005-01-06 2005-01-06 Throttle valve and piston ring thereof TWI265211B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94100362A TWI265211B (en) 2005-01-06 2005-01-06 Throttle valve and piston ring thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94100362A TWI265211B (en) 2005-01-06 2005-01-06 Throttle valve and piston ring thereof

Publications (2)

Publication Number Publication Date
TW200624595A TW200624595A (en) 2006-07-16
TWI265211B true TWI265211B (en) 2006-11-01

Family

ID=38122121

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94100362A TWI265211B (en) 2005-01-06 2005-01-06 Throttle valve and piston ring thereof

Country Status (1)

Country Link
TW (1) TWI265211B (en)

Also Published As

Publication number Publication date
TW200624595A (en) 2006-07-16

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