Pressure detection device

Details Pressure detection device Pressure detection device

2007-12-04

2007-12-04

Allen, Andre J. (Department: 2855)

Measuring and testing

Fluid pressure gauge

Mounting and connection

Reexamination Certificate

active

11252015

ABSTRACT:
A pressure detection device includes a sensing part that outputs an electrical signal responsive to an applied pressure, a pressure receiving diaphragm that receives a pressure from a subject device, a cylindrical stem having a first end connected to the sensing part and a second end connected to the pressure receiving diaphragm, and a pressure transmission member located within the cylindrical member to transmit the pressure received by the pressure receiving diaphragm to the sensing part. In the pressure detection device, a side wall portion of the cylindrical stem has a spring portion which is provided to generate an elastic force in an axial direction of the cylindrical member. Accordingly, fluctuations in a spring characteristic acting on a pressure transmission mechanism of the pressure detection device can be effectively restricted by the spring portion.

REFERENCES:
patent: 6575038 (2003-06-01), Takakuwa et al.
patent: 6807864 (2004-10-01), Takakuwa et al.
patent: 6813953 (2004-11-01), Baba et al.
patent: 7114396 (2006-10-01), Oda et al.
patent: A-5-34231 (1993-02-01), None

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