Expansible chamber devices – Cylinder detail – Nonmetallic piston contacting portion
Patent
1996-11-27
1999-07-20
Thorpe, Timothy S.
Expansible chamber devices
Cylinder detail
Nonmetallic piston contacting portion
92151, 92146, 417554, F16J 1004
Patent
active
059243538
ABSTRACT:
A durable oil well pump having fitted ceramic cylinders. Two metal retainers are fitted at two ends of the ceramic liner barrels. A cement or adhesive, which is resistant to pressure and temperature is placed in the annular clearance among the liner barrels, the retainers and an outer tube. There are multiple segmented plunger skirt and ceramic barrels to be fitted around a plunger inner tube. The valve seat outer ring is shrunk on to the ceramic inner ring. The valve ball is also made of ceramic. This pump has resistance to corrosion, temperature and magnetic fields. This pump can prevent liner barrel displacement, increase the period between repair, improve oil production, and reduce the cost of production.
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Rogers data sheet; Internet address (http://www.rogers-corp.com/mwu/6010.htm), <1996.
Fiber Glass Systems, Inc. home page; Internet address (http://www.onr.com/star/products.htm, <1996.
Thorpe Timothy S.
Tyler Cheryl J.
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