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Class 92/159 - Pocket or chamber


Subclass of Class 92 - Expansible chamber devices
Definition: Apparatus in which said means includes a cavity, trough,
No. of applications: 7
Last issue date: 02/03/2011


Application No.Application TitleIssue Date
20110023706PISTON FOR AN ENGINE
A piston 10 for an engine has a number of elongate pockets 21, 22, 23, 24 each of which is arranged at an angle relative to a longitudinal axis HP2 of a contact zone 15 on the thrust and anti-thrust sides of the piston 10. The pockets ...
02/03/2011
20100107868Multi-part piston for an internal combustion engine and method for its production
The present invention relates to a multi-part piston (10) for an internal combustion engine, having an upper piston part (11) having a piston crown (13), and a lower piston part (12), whereby the lower piston part (12) has pin boss sup...
05/06/2010
20090101003Reciprocating compressor
A reciprocating compressor comprises: a cylinder having an oil pocket on an inner circumferential surface of a piston insertion hole for inserting a piston with a predetermined width and depth; and a piston having a bearing portion protruding so as to slidably contact a...
04/23/2009
20090044697PISTON WITH A SKIRT HAVING OIL FLOW SLOTS
A piston has a pair of diametrically opposite skirt portions each having an opening providing fluid communication between an outer surface of the skirt portions and an internal cavity. The openings provide the outer surfaces of the skirt portions with a circumferentiall...
02/19/2009
20090020006COMBINATION OF A PISTON AND A PISTON RING
A piston 1 contains multiple ring grooves 2, 3 on the outer circumference of the piston 1, and piston rings 4, 10 are mounted in the ring grooves 2, 3. The piston 1 contains oil path grooves 7, 9 extending respectively to...
01/22/2009
20080250922PISTON WITH PIN BORE LUBRICATION FEATURES
A piston has a piston body with a pair of pin bosses having pin bores aligned along a central axis. The pin bores have bearing surfaces, wherein at least one recess extends axially across at least one of the bearing surfaces. A groove extends partially about the bearing...
10/16/2008
20080184878PISTON FOR INTERNAL COMBUSTION ENGINE, COMPRESSOR OR THE LIKE
A piston for internal combustion engine, compressor or the like, includes a piston ring, a piston skirt having a piston skirt wall. One or more lubricant channels and reservoirs are provided on an outer surface of the piston skirt. Lubricant is conducted to an outer sur...
08/07/2008
 
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