|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/001 ; 137/107 ; 137/219 ; 137/220 ; 137/301|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 9 인용 특허 : 5|
An upright cylindrical valve body has an inlet port axially aligned with an outlet port. A valve member is retained for reciprocal movement into and out of engagement with a valve seat axial aligned with fluid flow between the inlet and outlet ports. A relief port positioned adjacent to the outlet port exhausts fluid that remains in the valve above the valve seat after it is closed. The valve member is normally maintained in a closed position. Fluid flow into the inlet port actuates the valve. A portion of the fluid flowing through the valve chamber is d...
[ We claim:] [11.]11. A hydrant valve comprising:a cylindrical body portion positioned upright to define a vertical flow path through a fluid chamber between an inlet port and an outlet port and aligned with a longitudinal axis of said body portion,a relief port extending through said valve body into said valve chamber adjacent to said outlet port,a valve seat formed by said body portion in said flow path positioned adjacent to and axially aligned with said outlet port,a valve member axially positioned in the flow path,actuator means positioned in said b...