Pressure transducer for exhaust gas recirculation system

Details Pressure transducer for exhaust gas recirculation system Pressure transducer for exhaust gas recirculation system

1980-11-28

1983-02-15

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02M 2506

Patent

active

043734952

ABSTRACT:
A pressure transducer (10) for use in internal combustion engine exhaust gas recirculation systems is disclosed having low inertia moving components for improved response time and a low cost diaphragm mounting arrangement. Upper (12) and lower (14) housing shells define in cooperation with a diaphragm (21) and an upper (26) and lower (44) reaction plates fabricated from light weight plastic, a vacuum chamber (72), control chamber (96) and a vent chamber (102). The single diaphragm is connected to the inner wall of the housing by a clamping ring (48), thereby dividing the diaphragm into individually pressure responsive upper and lower portions.

REFERENCES:
patent: 4173204 (1979-11-01), Takayama et al.
patent: 4195605 (1980-04-01), Weathers et al.

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