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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0506955 (1974-09-18) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 0 |
A check valve for fluid flow lines and for pump discharge lines in which the components are arranged to assist in the prevention of sand and foreign material holding the check valve element open, in which the assembly and disassembly of the several components is performed from one end of the housing
A fluid flow check valve comprising: a housing having an inlet end and a discharge end and a chamber therebetween; a valve seat in said housing adjacent said inlet end; a valve member engageable with said valve seat; and means to direct the movement of said valve member into and out of engagement wi
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