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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/624.27; 137/872; 137/874; 137/881|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 6 인용 특허 : 3|
A flow path switching valve is disclosed that can be operated remotely simply by turning flow on and off. A mid portion of the body has at least one passage therein leading from a central axial bore to one or more external ports each having a tractor nozzle. The valve outlet connects the axial bore to a cleaning nozzle. A poppet member is received in the central axial bore. In a first position, the poppet member directs fluid flow through the outlet to the cleaning nozzle connected to the outlet. The poppet member, when in a second position, closes the c...
1. A flow actuated flow path switching valve comprising: a hollow valve body having an inlet end, an outlet end, a mid portion, and a central axial bore through the inlet end, the mid portion, and the outlet end, the mid portion having at least one passage therein leading from the central axial bore through the valve body to at least one external port;a poppet member received in the central axial bore, the poppet member having an open tubular rear end portion, a spool portion and a closed end valve disc portion, the valve disc portion selectively closing...