Patents for F02F 3 - Pistons (8,555)
03/1994
03/03/1994DE4227708A1 Kolben für einen Vier-Takt-Verbrennungsmotor Pistons for a four-stroke internal combustion engine
03/02/1994EP0584564A1 Diesel internal combustion engine
03/01/1994US5289866 Piston mold
02/1994
02/15/1994US5285840 Method and apparatus for manufacturing piston of internal combustion engine
02/15/1994US5285755 Open chamber diesel engine having a piston with recesses therein
02/09/1994EP0449848B1 Light plunger piston for internal combustion engines
02/01/1994US5282411 Heat-insulating piston with middle section of less dense but same material
01/1994
01/19/1994EP0479835B1 Controlled dispersion of injected fuel
01/19/1994EP0393142B1 Piston assembly and piston member thereof having a predetermined compression height to diameter ratio
01/19/1994CN2153643Y High sealing stepped piston with expansion controlling ring-shaped insert
01/18/1994US5279268 Piston assembly with distributed loading and centrally fastened wrist pin
01/13/1994DE4221448A1 Bewehrungsmaterial für Kolben von Verbrennungsmotoren Reinforcement material for pistons for combustion engines
01/12/1994EP0577852A1 Method for optimization of lateral surface profile of piston and of minimal gap between the piston and cylinder at the cold condition of the engine
01/06/1994WO1994000614A2 Reinforcing material for pistons of internal combustion engines
01/05/1994DE4221240A1 Cooled two=part piston for IC engine - comprises piston upper and lower parts which are interconnected by piston bolt penetrating holes in them
01/05/1994CN2152084Y Motor cycle piston
01/05/1994CN2152083Y Ic piston capable of fixing non-split piston ring
12/1993
12/28/1993US5273009 Silicon-nitride-inserted piston
12/23/1993WO1993025828A1 Piston for an internal-combustion engine
12/23/1993WO1993025812A1 Combustion chamber for internal combustion engine and process of combustion using fuel radical species
12/23/1993CA2138158A1 Combustion chamber for internal combustion engine and process of combustion using fuel radical species
12/22/1993EP0575184A1 Diesel engines
12/21/1993US5271362 Two-stroke engine
12/09/1993WO1993024672A1 Ceramic thermal barrier coating for rapid thermal cycling applications
12/09/1993DE4318193A1 Material contg. 60-95 vol.% graphite plus aluminium@ alloy - used for piston mfr., obtd. by impregnation of graphite with molten alloy under high pressure
12/07/1993US5267505 Piston
11/1993
11/30/1993US5266142 Coated piston and method and apparatus of coating the same
11/30/1993US5265565 Reciprocating engine
11/25/1993DE4217030A1 Two=stroke IC engine with single valve - has ignition duct and large scavenging time cross=section
11/18/1993EP0397710B1 Engine including a piston member having a high top ring groove
11/17/1993CN2146573Y Single-groove double-ring piston
11/16/1993US5261363 Piston with separate head and skirt
11/09/1993US5259348 Direct injection type engine
11/02/1993US5257603 Coated piston and process for applying coating
10/1993
10/19/1993US5253625 Internal combustion engine having a hypereutectic aluminum-silicon block and aluminum-copper pistons
10/14/1993WO1993020369A1 Reciprocating piston for an internal-combustion engine
10/13/1993EP0565515A1 Diesel engine with combustion chamber in the piston
10/12/1993US5251540 Piston having an aperture with an insert secured therein
10/06/1993EP0563408A1 Piston for an internal combustion engine
10/06/1993EP0563099A1 Method and apparatus for casting articles.
09/1993
09/30/1993DE4210056A1 Hubkolben eines Verbrennungsmotors Reciprocating pistons of an internal combustion engine
09/30/1993DE4209827A1 Piston lubrication feed in IC-engine - has spiral lubricant channel inside piston wall, opening at surface, with return channel for surplus oil
09/29/1993EP0561817A1 Cooled multi-component piston for internal-combustion engines.
09/28/1993US5247911 Compression ratio control in gasoline engines
09/28/1993CA1322500C Engine piston assembly and forged piston member therefor having a cooling recess
09/21/1993US5245975 Direct injection type internal combustion engine
09/21/1993US5245913 Piston of internal combustion engine
09/21/1993US5245752 Method of manufacturing a two piece piston
09/07/1993US5241939 Fuel injection control system for engine
09/02/1993DE4239370A1 Piston with valve pockets for IC engine - guides burning gas into pockets communicating with V-shaped flat channels from paraxial region of combustion
09/01/1993EP0558072A1 Internal combustion engine
08/1993
08/31/1993US5239955 Low friction reciprocating piston assembly
08/25/1993CN2140964Y Energy-saving efficient piston
08/19/1993WO1993016274A1 Internal combustion engine in which suction and exhaust is carried out with the upper portion of piston separated from piston main body
08/19/1993DE4203384A1 Two=part piston esp. for IC engine - has elastically deformable piston ring between piston base and skirt
08/17/1993CA1321329C Oilless internal combustion engine having gas phase lubrication
08/10/1993US5233956 Internal combustion engine
08/05/1993WO1993014900A1 Method for optimization of lateral surface profile of piston and of minimal gap between the piston and cylinder at the cold condition of the engine
07/1993
07/27/1993US5230148 Method for the manufacture of a cooled engine piston head
07/06/1993US5224449 Lean-burn internal combustion system
06/1993
06/17/1993DE4141282A1 Light metal piston for IC engines - uses damping effect, caused by pressurised lubricant oil in air gap between gudgeon pin and hubs
06/17/1993DE4141281A1 Light metal piston for IC engine - has curved leaf spring elements, held in groove in circumference of bores of hubs to load gudgeon pin
06/17/1993DE4141279A1 Light metal piston with special hub bores, for IC engine - has gudgeon pin with section projecting from hub bore, section deviating less form cylindrical surface than opposite section on other part
06/09/1993EP0544920A1 Direct injection type compression ignition internal combustion engine
06/03/1993DE4138994A1 Piston for I.C. engine - has internal passageway for circulation of cooling medium, with the crown having circumferential grooves
06/01/1993US5215052 Internal-combustion engine with predominantly swirl-free air inflow into a shallow combustion space
05/1993
05/30/1993WO1993011353A1 Piston assembly having a wrist pin bolted therein
05/30/1993CA2099277A1 Piston assembly having a wrist pin bolted therein
05/25/1993US5213025 Conical rod piston
05/19/1993EP0542002A2 Catalytic converter for the exhaust gases of an internal combustion engine
05/18/1993US5211145 Fuel injection system for engine
05/18/1993US5211101 For an internal combustion engine
05/13/1993WO1993008988A1 Coated piston and method and apparatus of coating the same
05/13/1993DE4137126A1 Multi-part, cooled piston for internal combustion engine - has ring-shaped hollow space in head part for cooling oil closed downwardly by plate ring fitted in groove of head part ring wall
05/13/1993CA2122337A1 Coated piston and method and apparatus of coating the same
05/13/1993CA2082188A1 Catalyzer arrangement for the exhaust gases of an internal combustion engine
05/12/1993CN1020650C Heated surface impingement ignition type ic engine and heated surface impingement igniting
05/11/1993US5209200 Controlled dispersion of injected fuel
05/04/1993US5207147 Method for the manufacture of a piston head having a cooling chamber and piston head obtained from said method
05/04/1993US5207058 Internal combustion engine
04/1993
04/29/1993DE4200495A1 Piston rod assembly with tumbler discs - has hollow lightweight piston with conical tip attached to camshaft ring
04/29/1993DE4135237A1 Piston and connecting rod for IC-engine - facilitates transfer of oil from duct in connecting rod to cooling chamber in piston
04/28/1993CN2130929Y High-load energy-saving piston
04/22/1993DE4129746A1 Piston for reciprocating piston engine - has one piston section with profiling, and with separate webs, for press fit
04/20/1993CA1316421C Internal combustion engine using dynamic resonating air chamber
04/14/1993CN1070987A Efficient energy-saving piston group
04/13/1993US5201805 Wear reducing piston for combustion engine
04/07/1993EP0535466A1 An internal combustion engine
04/01/1993WO1993006389A1 Piston for use in an engine or motor
04/01/1993WO1993006356A1 Engine
04/01/1993DE4226185A1 Internal combustion engine - has piston of rectangular cross-section and connecting rod formed integrally with piston
03/1993
03/25/1993DE4131275A1 Sectional fluid-cooled piston for I.C.- engine - has head accommodating piston rings connected by central screw arrangement to piston shaft
03/23/1993US5195488 Internal combustion engine with unique swirl
03/23/1993US5195478 Piston for an internal combustion engine
03/17/1993EP0532020A1 An internal combustion engine
03/16/1993US5193436 Engine piston
03/16/1993US5193435 Piston with ceramic load-transmitting pads
03/11/1993DE4129804A1 Combustion chamber for reciprocating piston IC engine - has cylindrical piston-top recess with lines in surface at angle to side surfaces to create ring flow
03/09/1993US5191862 Reciprocating piston with variable compression height for internal combustion engines
03/03/1993EP0529714A1 Piston for internal combustion engine
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