Discharge system for introducing volatilized fuel into an intern

Details Discharge system for introducing volatilized fuel into an intern Discharge system for introducing volatilized fuel into an intern

1986-02-12

1988-08-16

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123518, 25112916, 25112921, F02M 3900

Patent

active

047636351

ABSTRACT:
A discharge system is proposed which serves to introduce volatilized fuel into an intake tube of an internal combustion engine. The discharge system includes a discharge regulation valve, which on one side is located at an outlet line of an absorber element that emits volatilized fuel and on the other side is located at an outflow line which leads to the intake tube downstream of a throttle device. The discharge regulation valve includes a bottom portion and a cover between which one end of a leaf spring is firmly fastened. The other end of the leaf spring is loosely guided in a gap between the bottom portion and the cover. An armature is joined to the leaf spring and a valve closing body is secured to the armature remote from the leaf spring. A core is secured on a magnet housing disposed in the bottom portion and has a through conduit, which at one end terminates at a valve seat. An electromagnetic coil is disposed in the magnet housing and is triggerable in a clocked manner by an electronic control unit in accordance with engine operating characteristics. The spacing between the valve seat and the valve closing body adjusts automatically in accordance with the pressure difference at the valve seat.

REFERENCES:
patent: 3422850 (1969-01-01), Caldwell
patent: 3961644 (1976-06-01), Eckert
patent: 4149504 (1979-04-01), Walters
patent: 4196751 (1980-04-01), Fischer
patent: 4275697 (1981-06-01), Stoltman
patent: 4304391 (1981-12-01), Yamguehi
patent: 4378383 (1982-03-01), Iritani et al.
patent: 4614327 (1986-09-01), Valbjorn

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