TW514225U - Drainage check valve structure for negative pressure air-conditioning unit - Google Patents

Drainage check valve structure for negative pressure air-conditioning unit

Info

Publication number
TW514225U
TW514225U TW91200665U TW91200665U TW514225U TW 514225 U TW514225 U TW 514225U TW 91200665 U TW91200665 U TW 91200665U TW 91200665 U TW91200665 U TW 91200665U TW 514225 U TW514225 U TW 514225U
Authority
TW
Taiwan
Prior art keywords
negative pressure
check valve
pressure air
conditioning unit
valve structure
Prior art date
Application number
TW91200665U
Other languages
Chinese (zh)
Inventor
Duen-Sheng Yang
Original Assignee
Duen-Sheng Yang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Duen-Sheng Yang filed Critical Duen-Sheng Yang
Priority to TW91200665U priority Critical patent/TW514225U/en
Publication of TW514225U publication Critical patent/TW514225U/en

Links

TW91200665U 2002-01-24 2002-01-24 Drainage check valve structure for negative pressure air-conditioning unit TW514225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW91200665U TW514225U (en) 2002-01-24 2002-01-24 Drainage check valve structure for negative pressure air-conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW91200665U TW514225U (en) 2002-01-24 2002-01-24 Drainage check valve structure for negative pressure air-conditioning unit

Publications (1)

Publication Number Publication Date
TW514225U true TW514225U (en) 2002-12-11

Family

ID=27787141

Family Applications (1)

Application Number Title Priority Date Filing Date
TW91200665U TW514225U (en) 2002-01-24 2002-01-24 Drainage check valve structure for negative pressure air-conditioning unit

Country Status (1)

Country Link
TW (1) TW514225U (en)

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees