Title:
マニホールドゲージ
Document Type and Number:
Japanese Patent JP7158715
Kind Code:
B2
Abstract:
To provide a device contributing to more efficient work, regarding a manifold gauge used for the recovery and filing work of refrigeration in an air conditioning circuit.SOLUTION: A manifold gauge has a manifold body and a plurality of valves for opening and closing a flow passage in the manifold body. The flow passage in the manifold body has a low-pressure side flow passage, a high-pressure side flow passage, a recovery side flow passage, a filling side flow passage, a vacuum suction side flow passage, and a flow passage common to these. The plurality of valves have a first valve and a second valve. The first valve switches the low-pressure side flow passage and the high-pressure side flow passage. The second valve switches the recovery side flow passage, the filling side flow passage, and the vacuum suction side flow passage.SELECTED DRAWING: Figure 1
Inventors:
Shigeru Suwa
Minoru Uchida
Minoru Uchida
Application Number:
JP2018191316A
Publication Date:
October 24, 2022
Filing Date:
October 09, 2018
Export Citation:
Assignee:
Prostep Co., Ltd.
International Classes:
G01L7/00; F25B45/00
Domestic Patent References:
| JP2009185898A | ||||
| JP2016121850A | ||||
| JP7146037A |
Foreign References:
| WO2005003654A1 |
Attorney, Agent or Firm:
Takeshi Kageyama