|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 15|
A portable remote controlled fire-fighting valve has a central chamber in a main valve body, an inlet that connects to a hydrant, an outlet that connects to a fire hose, a valve mechanism that has a seating surface that seats against part of the device to open and close a flow channel through the central chamber, and a remote controller that enables an operator to selectively open and close the flow channel. The valve mechanism uses a piston that is mounted for axial movement within the central chamber. The piston has an annular wall that slides against ...
1. A portable valve that has: a main valve body that has an inlet to and an outlet from a central chamber;a piston that is mounted for axial movement within the central chamber between an open position and a closed position;a seating surface on the piston that seats against part of the valve when the piston is in the closed position and moves away from that part of the valve when the piston moves to the open position, opening a flow channel between the inlet and the outlet when the piston is in the open position and closing that flow channel when the pis...