Tubing configuration and sealing method for high pressure...

Details Tubing configuration and sealing method for high pressure... Tubing configuration and sealing method for high pressure...

2011-06-21

2011-06-21

Bochna, David E (Department: 3679)

Pipe joints or couplings

Packed

Screw thimble

C285S353000

Reexamination Certificate

active

07963571

ABSTRACT:
A high-pressure joint for sealing the high pressure at the tubing ends for a high-pressure fuel system on diesel and gasoline engines. One form of the invention of such a method is disclosed using a harder male fitting and a hard tube end and introducing a replaceable insert made out of a softer material of lower yield strength which will deform at both ends and seal the two mating harder components. This insert will be a throw away part to be replaced every time the system is serviced or repaired and the joint is broken. The cost for this insert is minimum and will reduce the fuel system service or repair cost saving money for the customer.

REFERENCES:
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patent: 6981721 (2006-01-01), Karasawa
patent: 6988748 (2006-01-01), Staniszewski et al.
patent: 7497482 (2009-03-01), Sugiyama et al.

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