Title:
ELECTRONIC EQUIPMENT HOUSING
Document Type and Number:
Japanese Patent JP3804490
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an electronic equipment housing which prevents breakage of a housing by allowing air to escape to the outside, following inner pressure rise inside a housing, while ensuring safety and fixing property and also taking condensation phenomenon into consideration.
SOLUTION: A pressure adjustment valve mechanism 1, which has a valve seat part 111 and a valve body part 121 set to the valve seat part 111 to be opened and closed, and has a mechanism part for setting the valve body part 121 energized to the valve seat part 111 in an airtight housing body B side, is constituted to be fixed from the outside of the airtight housing body B which is constituted to incorporate a required electronic circuit. Thereby, it is constituted to be prevented from projecting from an airtight housing body outer surface b2 more than required, to facilitate its fixing, and to prevent outside air from flowing in and to escape inside air to the outside in accordance with the rise of an inner pressure inside the body.
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Inventors:
Takashi Oyamada
Application Number:
JP2001247248A
Publication Date:
August 02, 2006
Filing Date:
August 16, 2001
Export Citation:
Assignee:
NEC
International Classes:
F16K24/04; H05K5/02; H05K5/06; (IPC1-7): H05K5/02; F16K24/04
Domestic Patent References:
| JP4269448A | ||||
| JP10200274A | ||||
| JP2020806Y2 | ||||
| JP57037621U | ||||
| JP61137158U | ||||
| JP6040540U | ||||
| JP11243283A | ||||
| JP5030656U | ||||
| JP11325284A | ||||
| JP11321937A | ||||
| JP63162578U |
Attorney, Agent or Firm:
Takao Maruyama