Electromagnetic air control valve for an internal combustion engine fuel supply device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 20, 1990
Issued Date -
N/A
app pub date -
Aug 10, 1989
filing date -
Dec 24, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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