|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/5157 ; 137/51629 ; 137/527 ; 137/5274|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 29 인용 특허 : 4|
A check valve mechanism providing a valve body and valve seat assembly having noncircular eccentrically located hinge pin receptacles with independently controlled X-axis and Y-axis hinge pin locating surfaces. A simple cylindrical hinge pin is supported in the receptacles and supports a check valve disc in such manner that both opening and closing movements have components of rotary and linear disc movement relative to the hinge pin and valve seat of the valve mechanism.
A check valve mechanism, comprising: (a) body means of generally circular form defining a flow passage and defining an annular seat recess, an annular seat insert being disposed within said seat recess and having internal generally circular seat means forming a portion of said flow passage, said body means having a substantially horizontal center-line forming an X-axis and defining a Y-axis oriented in normal relation with X-axis, said annular seat insert further having opposed hinge pin receptacles of generally rectangular form with independently contro...