|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||F16K-031/122 F16K-031/126 F16K-001/12 F16K-007/17 F16K-051/00 A62C-035/62 A62C-035/64|
|미국특허분류(USC)||137/614.2; 137/614.19; 137/220; 251/063.5; 251/284; 169/017; 169/020|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 3 인용 특허 : 29|
A dry valve is provided for a sprinkler system, including a housing including a valve body having an inlet end and a valve cover having an outlet end. A prime chamber housing is disposed within the housing and defines a prime chamber. A prime piston is disposed within the prime chamber and is movable between a closed position seated against a valve seat and an open position received within the prime chamber. A check valve diaphragm assembly is disposed within the housing and disposed against the prime chamber housing in a closed position and spaced from ...
1. A dry valve for a sprinkler system, comprising: a housing having an inlet end and an outlet end and a passage therebetween;a prime chamber housing disposed within said housing and defining a prime chamber in communication with a prime chamber inlet and fluidly isolated from said passage, said prime chamber housing including a generally flat planar first valve seat on a downstream face of said prime chamber housing;a prime piston disposed within said prime chamber, said prime piston being movable between a closed position seated against a second valve ...