Electronically controlled type throttle valve for internal combu

Details Electronically controlled type throttle valve for internal combu Electronically controlled type throttle valve for internal combu

1989-03-16

1990-03-20

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Specific throttle valve structure

123399, 13762532, 25112906, 25112911, F02D 916

Patent

active

049092120

ABSTRACT:
An electronically controlled type throttle valve for an internal combustion engine is arranged within a suction passage of the engine. An opening degree of the throttle valve is controlled in response to a running condition of the engine to be controlled or an amount of depression of an accelerator pedal, thereby controlling an amount of suction air. The throttle valve comprises a stationary section and a movable section. The stationary section is fixedly arranged within a suction passage in concentric relation thereto, and is composed of a tubular member whose one end is closed. A gas flow passage is defined between a peripheral wall of the stationary section and the suction passage. The peripheral wall is formed with at least one pair of openings. The movable section is fitted in the stationary section in concentric relation thereto for sliding movement relative to the stationary section. The movable section has a peripheral wall provided with openings corresponding respectively to the openings formed in the peripheral wall of the stationary section. A motor is arranged to impart rotative driving force to the movable section. The suction passage is controlled in area by a rotational position of the movable section relative to the stationary section, thereby controlling the amount of suction air.

REFERENCES:
patent: 691529 (1902-01-01), Brophy
patent: 1664747 (1928-04-01), Kamensky
patent: 1948840 (1934-02-01), Biddle
patent: 3224424 (1965-12-01), Mennicken et al.
patent: 4112901 (1978-09-01), Chapin et al.

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