A monitoring seal system (200) comprises a seal housing (202), a seal assembly (210), a temperature sensor (212) and a controller. The seal assembly sealingly engages a rotary shaft (208) to prevent fluid leakage between the shaft and the housing. The seal assembly has at least one seal. The seal has a primary ring (228) and a mating ring (226). The temperature sensor senses the temperature in the vicinity of the seal. The controller determines whether an upset condition has occured based on at least the temperature in the vicinity of the seal.
申请公布号
WO0140756(A3)
申请公布日期
2002.05.10
申请号
WO2000US32991
申请日期
2000.12.06
申请人
JOHN CRANE INC.;PECHT, GLENN, G.;WILLIAMSON, GUY, GARDNER