Title:
MONITORING SEAL SYSTEM
Document Type and Number:
WIPO Patent Application WO2001040756
Kind Code:
A3
Abstract:
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.
Inventors:
PECHT GLENN G (US)
WILLIAMSON GUY GARDNER (US)
WILLIAMSON GUY GARDNER (US)
Application Number:
PCT/US2000/032991
Publication Date:
May 10, 2002
Filing Date:
December 06, 2000
Export Citation:
Assignee:
CRANE JOHN INC (US)
PECHT GLENN G (US)
WILLIAMSON GUY GARDNER (US)
PECHT GLENN G (US)
WILLIAMSON GUY GARDNER (US)
International Classes:
F16J15/34; G01M3/00; (IPC1-7): F16J15/34
Foreign References:
| US4691276A | 1987-09-01 | |||
| US5762342A | 1998-06-09 | |||
| US5076589A | 1991-12-31 | |||
| US5755372A | 1998-05-26 | |||
| US3392983A | 1968-07-16 | |||
| US5412977A | 1995-05-09 | |||
| US2834619A | 1958-05-13 | |||
| US3297329A | 1967-01-10 | |||
| US3700247A | 1972-10-24 |
Other References:
See also references of EP 1290367A4
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