Title:
AIR INTAKE DEVICE FOR ENGINE
Document Type and Number:
Japanese Patent JPH0742566
Kind Code:
A
Abstract:
PURPOSE: To prevent adhesion of a deposit to an intake secondary passage as a fuel consumption effect is maintained as in a conventional device.
CONSTITUTION: In an intake device wherein at least two intake passages are connected to one cylinder, a swirl control valve SCV (a first control valve) is arranged in the secondary passage 16 of one of the two intake passages and a primary port shutter valve PSV (a second control valve) is located in the primary passage 14 of the other thereof, the first control valve is forcibly opened in a fuel cut state during deceleration of a vehicle. Further, the second control valve is closed in synchronism therewith. Further, an air feed amount is increased by a given value.
Inventors:
IMAMURA YOSHIHIKO
MARUTANI TETSUSHI
SUETSUGU HAJIME
FURUKAWA KAZUHIRO
MARUTANI TETSUSHI
SUETSUGU HAJIME
FURUKAWA KAZUHIRO
Application Number:
JP19111693A
Publication Date:
February 10, 1995
Filing Date:
August 02, 1993
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
F02B31/02; F02D9/02; F02D13/02; F02D41/12; F02M69/00; (IPC1-7): F02B31/02; F02D9/02; F02D13/02; F02D41/12; F02M69/00
Attorney, Agent or Firm:
Yasunori Otsuka (1 person outside)
Next Patent: ドツトピン用窒化焼結高速度鋼の製造方法