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| Number | Title | Issue Date |
| 7350484 | Controlled leakage valve for piston cooling nozzle Device to feed cooling and lubricating fluid to cooling and lubricating nozzles for the pistons of an internal combustion engine, having at least one valve with an upstream channel and a downstream channel, said valve having a blocking element able to move in a comp... | 04/01/2008 |
| 7299772 | Cooling gallery fan assembly for a piston A piston for an internal combustion engine defining an axis of motion and including an annular cooling gallery defined within the piston. The cooling gallery extends annularly about the axis of motion of the piston. A plurality of annularly spaced fan blades is posi... | 11/27/2007 |
| 7175101 | Thermostat mounting structure A thermostat mounting structure capable of reliably positioning an embedded thermostat and ensuring high sealability. A coolant channel is formed in a casing. An embedding hole is formed in the casing across the coolant channel. A thermostat includes a cylindrical v... | 02/13/2007 |
| 5828967 | Control device for engine compartment cooling An engine compartment cooling fan provided in an engine compartment is controlled by a control unit, to be placed in its ON or OFF state, on the basis of an output from an engine compartment temperature sensor. The control unit continues the control of th... | 10/27/1998 |
| 5649505 | Multiple-hole, piston cooling nozzle and assembly arrangement therefore A piston cooling nozzle for an internal combustion engine includes a two-part construction comprising a mounting base and a main body. The mounting base includes a substantially flat end panel which is designed to attach directly to a plateau area on the ... | 07/22/1997 |
| 5396867 | Two-cycle engine Several embodiments of two cycle crankcase compression internal combustion engines that include an arrangement for cooling and lubricating the small end of the connecting rod, the piston pin and the head of the piston. These systems include an opening tha... | 03/14/1995 |
| 4945864 | Two cycle engine piston lubrication A two cycle engine has oil distribution means through the cylinder wall to feed internal oil passages in the associated piston that distribute oil directly to the skirt and cylinder walls, preferably between ports, and/or to the wrist pin and connecting r... | 08/07/1990 |
| 4829940 | Piston for two-cycle engines Several embodiments of cooling arrangements for the pistons of an internal combustion engine operating on a two-cycle, crankcase compression principle. The cooling arrangement comprises a passage that is formed in the piston and which communicates the por... | 05/16/1989 |
| 4794896 | Lubricating device for two-stroke engine It is a lubrication device for two-stroke gasoline engine, in which the cylinder is furnished with one to three lubricant outlets; the feature of the lubricant outlets is that the height position of the lubricant outlets is placed just under the bottom pi... | 01/03/1989 |
| 4776302 | Two cycle engine with exhaust bridge lubrication In a two cycle internal combustion engine (2), a fuel-air flow passage and reservoir (52) is provided along the exhaust bridge (34) and between the piston (4) and the cylinder inner wall (36) for lubricating the exhaust bridge (34). The piston (4) has a f... | 10/11/1988 |
| 4742803 | Reciprocatory internal combustion engine A reciprocating internal combustion engine comprises a cylinder block having at least one bore formed therein and a cylinder liner fitted into each bore. The cylinder liner defines a cylinder in which a piston is slideable, with a combustion chamber being... | 05/10/1988 |
| 4608947 | Arrangement for cooling pistons and cylinder sleeves An arrangement for cooling the pistons and cylinder sleeves of an internal combustion engine. An annular cooling chamber is provided in the piston, and is open along the circumferential surface of the piston in the direction toward the cylinder sleeve. Th... | 09/02/1986 |
| 4359973 | Oiling system for piston of internal combustion engine A piston is provided with a boss having a radial bore for reception of a piston pin. The upper portion of this bore receives lubricating oil through an oiling hole extending from a depression on the outer surface of the piston, the depression being open a... | 11/23/1982 |
| 4280455 | Internal combustion engine An internal combustion engine comprises a cylinder, a piston reciprocating in the cylinder, piston rings arranged on the periphery of the piston, and at least a pair of oil ports symmetrically provided in a wall member of the cylinder. The oil ports commu... | 07/28/1981 |
| 4005686 | Piston-pin for liquid cooled pistons Piston-pin for liquid cooled pistons containing a longitudinal bore and end sealing elements closing said bore, said sealing elements being impressed or shrunk into position. More specifically, the sealing elements are cup shaped, having a rim and a base,... | 02/01/1977 |
