Patent · US Expired

Throttle valve controlling apparatus

US4601271A · kind A · utility

46Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 1984
Grant dateJul 22, 1986
Priority date
Expiry dateDec 31, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for controlling an opening degree of a throttle valve comprises a motor including a rotor, a detector for detecting the opening degree of the throttle valve, and a control unit for outputting a command to the motor so as to swing the throttle valve to the desired opening degree which is determined by the control unit in accordance with the information representing the engine condition. The apparatus further comprises a one-piece shaft which includes a throttle valve shaft and an output shaft of the rotor of the motor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.