APARELHO DE VEDACAO,VALVULA DE PLACA ELEMENTO DE MOLA,PROCESSO PARA FORMACAO DE VALVULA DE PLACA E PROCESSO PARA FORMACAO DE PLACA DE VEDACAO DE PLASTICO

摘要

A sealing apparatus for use in a compressor suction or pressure plate valve having a seat member (10) with a plurality of fluid passage ports (24, 26, 28) therethrough. The sealing apparatus comprises a movable plastic plate member (12) having a like plurality of sealing members (46, 48, 50) for juxtaposed sealing engagement with the plurality of fluid passage ports and at least one projection (52) integrally formed on at least one of the sealing members and extending outwardly from the plate member in a direction away from the seat member for receiving a resilient flat spring member (14) urging the plate member against and sealing the fluid passage ports.