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Title:
容積式流量検出器及び運動変換機構
Document Type and Number:
Japanese Patent JP7064990
Kind Code:
B2
Abstract:
To decrease a size of two directions of three directions orthogonal to each other in a positive displacement flow detector.SOLUTION: A motion conversion mechanism is disposed in a center between four cylinders 11 which are formed in a main block 1 such as to be arranged in a circumferential direction of a circle, with an axial direction being a vertical direction, and is provided with a shaft 72 extending upwardly from the main block 1. Each cylinder 11 has a piston 8 inserted therein, the piston 8 being connected to the motion conversion mechanism by a connecting rod 9 such that each piston 8 differs in phase by π/2 from one to the next in sequence in which to be circumferentially arranged. The motion conversion mechanism converts linear reciprocating motion of the piston 8 connected by the connecting rod 9 to rotational motion of the shaft 72.SELECTED DRAWING: Figure 2

Inventors:
Hiroshi Yoshikoshi
Ryota Mori
Application Number:
JP2018142415A
Publication Date:
May 11, 2022
Filing Date:
July 30, 2018
Export Citation:
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Assignee:
Ono Sokki Co., Ltd.
International Classes:
G01F3/08; F04B1/18
Domestic Patent References:
JP2012103048A
JP3009083A
JP2501329A
Foreign References:
US4561304
Attorney, Agent or Firm:
Katsushi Sato