Measuring and testing – Fluid pressure gauge – Diaphragm
Patent
1978-06-05
1979-11-20
Woodiel, Donald O.
Measuring and testing
Fluid pressure gauge
Diaphragm
73116, 336 30, G01L 910
Patent
active
041746384
ABSTRACT:
A pressure pickup for measuring the pressure in the intake manifold of an internal combustion engine. The pressure pickup comprises a part, movable in response to the manifold pressure, to which is coupled means for short-circuiting the magnetic flux lines of an electromagnet so that the change in flux lines is detected by the electromagnetic coil and measured by an induction evaluation circuit and thus indirectly measuring the manifold pressure.
REFERENCES:
patent: 2331128 (1943-10-01), MacNeil
patent: 3101462 (1963-08-01), Swainson
patent: 3718047 (1973-02-01), Nakagawa
patent: 4042899 (1977-08-01), Tomezak
Heintz Frieder
Jansche Walter
Zabler Erich
Greigg Edwin E.
Robert & Bosch GmbH
Woodiel Donald O.
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