Electrically actuatable fuel-injection valve for internal combus

Details Electrically actuatable fuel-injection valve for internal combus Electrically actuatable fuel-injection valve for internal combus

1986-05-09

1987-12-08

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

By electric transducer

2391325, 239424, 239425, 310369, B05B 314, B05B 1500, B05B 706, H01L 4118

Patent

active

047113960

ABSTRACT:
In an electrically actuatable fuel-injection valve for internal combustion engines, a piezoelectric oscillator (radial oscillator 11) which is provided with electrodes has at least one fuel-receiving chamber (12). The chamber (12) is in communication with the fuel feed path (constant-volume chamber 20) and an ejection opening (bore 17). The oscillator (11) is mounted in a block (18) out of which the fuel feed path (constant-volume chamber 20) is also formed. Furthermore, a high-voltage generator (35) is located, electrically shielded from the outside, within the block (18), which consists of metal. The high-voltage generator is connected to the electrodes of the piezoelectric oscillator (11) via feed lines (14, 15) which are conducted within the block (18).

REFERENCES:
patent: 4004733 (1977-01-01), Law
patent: 4372491 (1983-02-01), Fishgal

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