Title:
空気圧制御装置および調節弁
Document Type and Number:
Japanese Patent JP6864533
Kind Code:
B2
Abstract:
An air pressure control device includes first and second housings, a diaphragm partitioning an inner space of the housings into a first air chamber (one air chamber) and a second air chamber (the other air chamber), a valve seat supported by the diaphragm, a valve member arranged in the first air chamber and closing or opening a through-hole in the valve seat, a pressure adjusting mechanism (including a pressure adjusting bolt and an upper seat) that adjusts a force applied to the diaphragm from a side including the second air chamber, and a main spring (compression coil spring) disposed in the second air chamber and applying a spring force to a lower seat (spring receiving member) disposed on the valve seat. A bearing is interposed between the valve seat and the lower seat.
Inventors:
Kazuhisa Inoue
Application Number:
JP2017081882A
Publication Date:
April 28, 2021
Filing Date:
April 18, 2017
Export Citation:
Assignee:
Azbil Co., Ltd.
International Classes:
G05D16/06; F16K1/42; F16K17/30
Domestic Patent References:
| JP3040627U | ||||
| JP2014044505A | ||||
| JP6446076A |
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa