Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1979-11-02
1981-10-27
Crane, Daniel C.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291568R, B23P 1500
Patent
active
042965381
ABSTRACT:
An assembly for sealing an interface between a high pressure steam chest and a casing, wherein high pressure steam flows from the steam chest into the interior of the casing. The assembly comprises a sealing element extending through the interface for preventing direct contact between the high pressure steam and the interface, and joined to the steam chest so that a steam tight joint is developed therebetween. The assembly further comprises a chamber defined by the steam chest, the casing, and the sealing element in communication with the interface between the steam chest and the casing; a first passageway having one end in communication with the interior of the casing and a second end in communication with the chamber, for passing steam from the interior of the casing to the chamber; and means for developing a pressure differential across the first passageway so that the steam pressure at the second end of the passageway is less than the steam pressure at the first end of the passageway. A low pressure region is provided having a steam pressure lower than the steam pressure in the steam chest; and a second passageway is provided, having one end in communication with the chamber and a second end in communication with the low pressure region for passing steam from the chamber to the low pressure region.
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Carrier Corporation
Crane Daniel C.
Curtin J. Raymond
Sensny John S.
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