Piezoelectric valve and method of manufacturing the piezoelectric valve

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United States of America Patent

PATENT NO 12004430
APP PUB NO 20220213973A1
SERIAL NO

17605914

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Abstract

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Provided is a piezoelectric valve in which the valve is opened/closed utilizing a displacement of a laminated piezoelectric element, including: a valve main body having a gas pressure chamber that receives compressed gas supplied externally; and an actuator having a valving element, the laminated piezoelectric element that generates a driving force required for operating the valving element as the displacement, and a displacement enlarging mechanism that enlarges the displacement of the laminated piezoelectric element to be acted on the valving element, the actuator being disposed in the valve main body, in which a surface of the laminated piezoelectric element is coated with silicone in a state in which the laminated piezoelectric element is integrated into the actuator.

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Patent Owner(s)

Patent OwnerAddress
SATAKE CORPORATIONCHIYODA-KU TOKYO 101-0021
MECHANO TRANSFORMER CORPORATION4F BUILDX NO 3 7-12 IWAMOTO-CHO 2-CHOME CHIYODA-KU TOKYO 101-0032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chee, Sze Keat Tokyo, JP 24 82
Higuchi, Toshiro Tokyo, JP 68 2294
Ito, Takafumi Tokyo, JP 141 2129
Matsushita, Tadashi Tokyo, JP 41 283
Mizuno, Yoshinobu Ibaraki, JP 4 8

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