Electromagnetic air control valve for an internal combustion eng

Details Electromagnetic air control valve for an internal combustion eng Electromagnetic air control valve for an internal combustion eng

1989-08-10

1990-03-20

Rosenthal, Arnold

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

25112915, 13762537, F16K 3106

Patent

active

049094750

ABSTRACT:
A valve comprising a body having a cylindrical sliding seat and an opening for the passage of air; a plunger sliding axially inside the aforementioned seat, for regulating the aforementioned air supply opening; and an electromagnet, the core of which presents a rod fitting through an axial hole on the plunger. According to the present invention, the plunger is connected elastically to the rod by means of two springs, each designed to exert elastic force on the plunger in the opposite direction to that of the other spring; regulating means being provided for enabling predetermined preloading of both springs.

REFERENCES:
patent: 3588039 (1971-06-01), Chelminski
patent: 4524947 (1985-06-01), Barnes et al.
patent: 4714089 (1987-12-01), Ueda et al.
European Search Report-EP 88121695.6.

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