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Class 123/41.36 - Telescoping piston and stationary conduits


Subclass of Class 123 - Internal-combustion engines
Definition: Cooling means in which the piston has attached thereto a
No. of patents: 9
Last issue date: 02/28/2006


NumberTitleIssue Date
7003878Method for producing a ring support with a sheet metal cooling channel welded thereon
The invention relates to a method for producing a ring support (1) with a sheet metal cooling channel welded thereon (5), which is transfused later with an aluminium melt for producing a piston. The aim of the invention is to improve the production of ...
02/28/2006
6609485Piston pin bushing cooler
A piston pin bore cooler for cooling and lubricating a piston pin bore bushings, piston pin and connecting rod bushings, includes an oil jet, the oil jet directing a spray of lubricating oil at the underside of a crown of a reciprocating piston for coolin...
08/26/2003
6494170Two-piece piston assembly with skirt having pin bore oil ducts
A duct from near the top of the skirt of a two-piece piston carries lubricant to the skirt pin bore, on each side of the skirt, and lubricates the pin joint. The skirt is provided with a lubricant passage, such as from a shaker tray, to the pin bore on ea...
12/17/2002
4508065Piston cooling oil delivery tube assembly
A piston cooling oil delivery tube assembly for an internal combustion engine for use in directing cooling oil from a manifold into the coolant opening of an associated piston is formed with a rigid bracket and nozzle assembly attachable to a cylinder lin...
04/02/1985
4502423Lubrication means for a two-cycle internal combustion engine
This invention is a lubrication pumping means contained within one or more reciprocating rods to assure lubrication of the crankpin rod bearing and the wrist pin bearing during operation of a two-cycle internal combustion engine....
03/05/1985
4206726Double orifice piston cooling nozzle for reciprocating engines
A reciprocating engine including a block having at least one cylinder therein, a piston reciprocally received in the cylinder and having a crown, a depending skirt and a ring-receiving groove on the skirt near the crown. The piston has a central cavity te...
06/10/1980
4180027Two-piece oil-cooled piston
A two-piece piston includes head and skirt sections having opposed annular recesses to define a continuous peripheral coolant chamber. A transverse coolant conveying channel communicating at opposite ends with the chamber may also be formed in the skirt s...
12/25/1979
4067307Free-jet-nozzle
A free-jet-nozzle, particularly for the piston cooling system in reciprocating piston internal combustion engines, which is intended to forcibly bring about a vortex-free flow in the cooling medium flowing through the nozzle; the flow channel for the cool...
01/10/1978
4010718Reciprocating piston engines having piston oil cooling
A reciprocating piston engine in which oil cooling is provided by a hollow oil jet assembly located accurately by a location tool and pressed into position in a bore in the crankcase of the engine. Accurately drilled and aligned jet passages are formed in...
03/08/1977
 
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