Dual throttle valve

Details Dual throttle valve Dual throttle valve

1996-10-02

1998-12-08

Hepperle, Stepen M.

Fluid handling

Systems

Plural noncommunicating flow paths

123336, 123584, 137601, 137865, F16K 1118

Patent

active

058456775

ABSTRACT:
The present invention relates to a dual throttle valve of a car which includes an intake pipe divided into a primary intake path for low speed and a secondary intake path for middle or high speed, a primary throttle valve, a secondary throttle valve, a pinion, a fan-shaped gear, and a semi-circular member, wherein at a low speed, only the primary throttle valve rotates to open the primary intake path having a smaller diameter than the secondary intake path and at a middle or high speed, the primary and secondary throttle valves rotate sequentially to open the primary and secondary intake paths gradually even when the sudden accelerating for starting or outrunning occurs, so that waste of fuel at a low speed due to the sudden oversupply of gas and the occurrence of harmful exhaust gas due to the incomplete combustion at a middle or high speed can be prevented by controlling the amount of the intake gas.

REFERENCES:
patent: 1600008 (1926-09-01), Mock
patent: 2547902 (1951-04-01), Burton
patent: 2722207 (1955-11-01), Sarto
patent: 3572656 (1971-03-01), Oshima
patent: 3938430 (1976-02-01), Koppang
patent: 4037571 (1977-07-01), Ishida
patent: 5036816 (1991-08-01), Mann

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