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Patent Searching and Data


Title:
NEGATIVE PRESSURE RELEASE PORT AND REFRIGERATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/047624
Kind Code:
A1
Abstract:
Provided is a negative pressure release port that can prevent freezing in a channel. This negative pressure release port (9) comprises: a cylindrical member made of a pipe (12) in which a fluid can pass through and a base (17); a heating element (18) disposed on one end inside the pipe (12); a retaining member (12b) that retains the heating element (18); a rib (12d) that connects an inner wall face (12c) of the pipe (12) and the retaining member (12b); and a check valve that is provided inside the base (17) provided more toward the other end than the heating element (18), that allows air passing through the interior of the base (17) to flow from the other end to the one end, and prevents flow from the one end to the other end.

Inventors:
OKADA, Tadashi
Application Number:
JP2017/030160
Publication Date:
March 15, 2018
Filing Date:
August 23, 2017
Export Citation:
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Assignee:
PANASONIC HEALTHCARE HOLDINGS CO., LTD. (2-38-5, Nishishimbashi Minato-k, Tokyo 33, 〒1058433, JP)
International Classes:
F25D23/00; F25D21/04
Foreign References:
US4662270A1987-05-05
JPS5710343B21982-02-25
JPS6012171U1985-01-26
Attorney, Agent or Firm:
WASHIDA, Kimihito (8th Floor, Shinjuku First West Bldg. 1-23-7, Nishi-Shinjuku, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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