Pressure sensor contained in casing

Details Pressure sensor contained in casing Pressure sensor contained in casing

2006-02-28

2006-02-28

Oen, William (Department: 2855)

Measuring and testing

Fluid pressure gauge

With protective separator

Reexamination Certificate

active

07004033

ABSTRACT:
A pressure sensor for detecting, e.g., an intake manifold pressure of an internal combustion engine is composed of a resin casing, a sensing member contained in the casing and conductor members embedded in the resin casing. The conductor members are disposed around the sensing member, and the sensing member is electrically connected to the conductor members by wire-bonding. Boundaries between the resin casing and the conductor members are sealed with an encapsulating member which is applied to the position at liquid state and dried thereafter. To prevent the liquid encapsulating member from flowing out of the applied position toward the sensing member, a bank is formed between the sensing member and the position where the encapsulating member is applied. A depressed portion for retaining the encapsulating member therein may be additionally formed next to the bank.

REFERENCES:
patent: 4782703 (1988-11-01), Nishi
patent: 5325716 (1994-07-01), Hafner et al.
patent: 6505505 (2003-01-01), Henzinger et al.
patent: A-11-304619 (1999-11-01), None
patent: A-2001-304999 (2001-10-01), None

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