Injection valve timing sensor

Details Injection valve timing sensor Injection valve timing sensor

1981-02-05

1984-11-20

Love, John J.

Fluid sprinkling, spraying, and diffusing

With signals, indicators, recorders, meters or changeable...

Position or extent of motion indicator

2395333, 73119A, 73754, 73DIG4, B05B 130

Patent

active

044834802

ABSTRACT:
A fuel injector has a lift sensor in the form of a cylindrical piezoelectric ceramic member having metal film electrodes on each side thereof and which is sandwiched between an insulated terminal element having a flat surface abutting one side of the piezoelectric element and a flat ground plate formed with projections which projections engage the wall of a bore in which the piezoelectric element is disposed so as to both hold the element in place and establish an electrical connection between the housing in which the bore is formed and the second side of the piezoelectric element. A spacing shim having a flat surface abutting the ground plate engages one end of a spring which biases the valve element of the fuel injector toward a closed position.

REFERENCES:
patent: 2580612 (1952-01-01), Schwarz et al.
patent: 3146360 (1964-08-01), Marshal
patent: 3612922 (1971-10-01), Furnival
patent: 3728562 (1973-04-01), Herson et al.

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