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| Number | Title | Issue Date |
| 4343377 | Crank mechanism lubricating system A crank mechanism such as in a two stroke internal combustion engine has a lubricating system comprised of an oil passage formed in the crankarm and the crankpin with one end opening to the bearing between the connecting rod and the crankpin and the other... | 08/10/1982 |
| 4320724 | Inter-crankchamber sealing means for multiple cylinder two stroke engines A non-contact type seal between two adjacent crankchambers of a multiple cylinder two stroke engines includes a sealing member fitted to the crankcase to encircle the crankshaft or the sleeve fitted to the crankshaft with a slight clearance between the se... | 03/23/1982 |
| 4306524 | Oil pump for a two-cycle internal combustion engine An oil pump for a two-cycle internal combustion engine is mounted in a flange member which is attached to one end of the engine housing. The shaft of the oil pump is connected to the adjacent end of the crank shaft so that there is no relative rotation be... | 12/22/1981 |
| 4295807 | Internal combustion engine with oil pump gear surrounding and driven by crankshaft An internal combustion engine having a rotating crankshaft mounted on at least one main bearing is provided with an oil pump having at least one gear surround the crankshaft and rotationally driven by the crankshaft. The pump gear surrounds the main beari... | 10/20/1981 |
| 4280456 | Engine with intake ported cylinders and porous port liners for oil control An engine having piston-controlled cylinder air intake ports into which lubricating oil may be carried during engine operation is fitted with porous liners in the cylinder intake ports which receive the lubricating oil to prevent its being carried by the ... | 07/28/1981 |
| 4276859 | Pressure lubrication for internal combustion engines A pressure lubrication system for an internal combustion engine, according to which lubricating oil is drawn out of an oil pan by means of an oil pump through a suction conduit which has an intake funnel and a filter. The intake funnel has an inner maximu... | 07/07/1981 |
| 4261305 | Two cycle internal combustion engine A two cycle internal combustion engine is disclosed, which essentially comprises a cylinder consisting of a sleeve and a cylinder block housing the sleeve therein. The cylinder has a groove formed between the sleeve and the cylinder block and at least one... | 04/14/1981 |
| 4239026 | Pressure lubrication for internal combustion engines A pressure lubrication system for an internal combustion engine, according to which lubricating oil is drawn out of an oil pan by means of an oil pump through a suction conduit which has an intake funnel and a filter. The intake funnel has an inner maximu... | 12/16/1980 |
| 4222875 | Filter element shutoff valve A valve for preventing the loss of fluid from a fluid circuit in an engine block when a screw on filter element located at a low point in the circuit is removed includes a bore in the engine block having an inlet passage connected to the bore near a valve... | 09/16/1980 |
| 4217221 | Oil refining apparatus In combination with an internal combustion engine, a device for the purification of lubricating oil. Installed as a bypass between the outlet side of the oil pump and the crankcase, the device refines contaminated oil by boiling off under a suitable tempe... | 08/12/1980 |
| 4213441 | Engine with wall rib oil gauge mounting and drain means An internal combustion engine is provided with stiffening side wall ribs which are lightened by the provision therein of internal passages that alternatively cooperate with cylinder head passages to provide oil drains from the valve chambers to the oil su... | 07/22/1980 |
| 4206739 | Casing for the lubrication of the camshaft of an internal combustion engine for automotive vehicles A casing for the lubrication of a camshaft of an internal combustion engine for automotive vehicles is partially filled with lubricating oil to effect splash lubrication of cams carried by the camshaft and has at least one lateral overflow port to maintai... | 06/10/1980 |
| 4199202 | Bearing structure for a cam shaft in internal combustion engines A bearing structure for a cam shaft has a first journal-receiving cavity of a semi-circular cross section provided in an upper face of a cylinder head, and a second journal-receiving cavity of a semi-circular section provided in a lower face of a bearing ... | 04/22/1980 |
| 4198948 | Installation for the metered lubrication of an injection pump flangedly connected to an internal combustion engine An installation for the metered lubrication of an injection pump flangedly connected to an internal combustion engine, in which the cam shaft is driven by an intermediate gear shaft non-rotatably connected therewith, which is rotatably supported in the cr... | 04/22/1980 |
| 4185717 | Engine lubricating oil pump A gear-type lubrication pump for an internal combustion engine wherein the pump housing and oil porting are formed in the engine block and one pump gear is rotatably supported in a bushing mounted in the engine block. The other pump gear is rotatably moun... | 01/29/1980 |
| 4177786 | Lubricant feeding means Feeding means supplies lubricant to a lubricant metering pump on a machine or engine which contains at least one shaft of which a bearing surface is mounted in a journal bearing and is pressure-lubricated.... | 12/11/1979 |
| 4167171 | Positively lubricated distributor construction for internal combustion engines To provide for extended true running of the distributor shaft and prevent wear on relatively movable mechanical components within the distributor, such as a shaft and bearings, a centrifugal spark advance/retard mechanism, or the like, the relatively mova... | 09/11/1979 |
| 4156416 | Engine driven vacuum pump An engine driven vacuum pump combining a two-stage, low noise demountable pump assembly with a camshaft driven eccentric drive arrangement having internal oil distribution and pumping means for lubricating the drive and pump pushrod elements. A check valv... | 05/29/1979 |
| 4154105 | Orientable temperature indicator device A temperature indicator device, used for continuously monitoring the condition of lubricating oil of motorcycles and recreation vehicles, comprises a temperature sensor stem having a calibrated readout gauge, which gauge is orientable about the stem axis ... | 05/15/1979 |
| 4142486 | Fuel-oil mixing apparatus for internal-combustion engines A mixing apparatus for fuel and oil to be supplied on demand to an internal-combustion engine. An oil reservoir separate from a fuel tank is provided with an expandable chamber assembly and a positive displacement pump which are jointly operated in an opp... | 03/06/1979 |
| 4134380 | Automobile oil pan assembly An oil pan assembly for an automotive vehicle is formed with an oil pan which is divided by a partition wall into a first and a second chamber. Oil is pumped by an oil pump from the first chamber into the engine of the vehicle through a pipe including an ... | 01/16/1979 |
| 4121559 | Lubricant oil pump for two-cycle engines Positive displacement type oil pump for two cycle engines, which is variable in displacement. The pump is provided with a pressure responsive diaphragm which is used to control the pump displacement. The diaphragm is subjected to the engine exhaust gas pr... | 10/24/1978 |
| 4121558 | Internal combustion engine assembly An assembly comprises a cylinder block and a cylinder head secured to the cylinder block to close a plurality of cylinders formed in the cylinder block and to form a cooling liquid passage, in which, in assembly, cylinder head has two assembled positions ... | 10/24/1978 |
| 4108134 | Modulator valve A modulator valve assembly comprising a valve body having a first compartment area at one end thereof and an elongated bore extending therethrough from the inner end of the first compartment area. The first compartment area is closed by an inlet cap which... | 08/22/1978 |
| 4108135 | Arrangement for external oiling of cylinder liners of internal combustion engines An arrangement for external oiling of cylinder liners of internal combustion engines. The cylinder liners are flanged and are inserted directly into the bores of the cylinder block. An annular chamber is provided in the bores and/or the cylinder liners ne... | 08/22/1978 |
| 4103650 | Horizontal type diesel engine A horizontal type Diesel engine wherein a gear case is juxtaposed to a crankcase axially of a crank shaft, said crankcase horizontally receiving a cylinder therein and a radiator and a fuel tank are juxtaposed on top of the crankcase. The Diesel engine is... | 08/01/1978 |
| 4103665 | Lubricating device for internal combustion engines A lubricating device for internal combustion engines, especially for supplying oil to the points to be lubricated when the oil pan is in a very inclined position. The device comprises a pressure pump continuously withdrawing lubricating oil from a closed ... | 08/01/1978 |
| 4100082 | Lubricants containing amino phenol-detergent/dispersant combinations Disclosed are combinations of amino phenols, wherein said phenols contain a substantially saturated hydrocarbon substituent of at least 10 aliphatic carbon atoms, and one or more detergent/dispersants selected from the group consisting of (I) neutral or b... | 07/11/1978 |
| 4095803 | Keyway oil seal assembly The disclosure illustrates an oil seal assembly for a keyway which receives a pin for an interconnection between an accessory drive pulley and a shaft extending from a diesel engine accessory drive gear box. The oil seal consists of an L-shaped elastomeri... | 06/20/1978 |
| 4094293 | Engine preoiler and lubricant reservoir A preoiler and lubricating fluid reservoir for use primarily with an internal combustion engine is disclosed. A hollow cylindrical reservoir is provided with an internal slidable piston which divides the cylinder into a compressed air retaining section an... | 06/13/1978 |
| 4088097 | Crankcase-scavenged engine An internal combustion, reciprocating-piston engine which includes a sealed crankcase for inducting and compressing air or an air-fuel mixture into the engine. The compressed gas is then forced into a holding tank for subsequent induction into the cylinde... | 05/09/1978 |
| 4068635 | Pressure vent A valve is interposed between spaced valve seats of a conduit having end portions communicating with the ends of an internal combustion engine valve cover. The conduit has a vent port located between the valve seats. The valve, which is responsible to ine... | 01/17/1978 |
| 4066146 | Rust retarder applicator A rust retarder applicator which includes a tubular length to be inserted into the combustion chamber of an internal combustion engine when not in use, which is of a cross sectional area adapting the same for insertion through the spark plug opening and w... | 01/03/1978 |
| 4059087 | Oil pressure detecting apparatus for internal combustion engines An oil pressure detecting apparatus for an internal combustion engine comprises an LC oscillator having an inductance variable in dependence upon variation in the oil pressure of the engine. The frequency or voltage of an output signal of the oscillator i... | 11/22/1977 |
| 4059086 | Fuel and lubricating oil supply device A fuel and lubricating oil supply device, wherein lubricating oil for lubricating the wall surfaces of a combustion chamber of an engine is fed to the engine, together with fuel. This fuel and lubricating oil supply device comprises; a device for heating ... | 11/22/1977 |
| 4033312 | Crankcase for multi-cylinder reciprocable piston internal combustion engines A crankcase for multi-cylinder reciprocable piston internal combustion engines of the single row type, in which a lubricant feeding bore extending in the longitudinal direction of the crankcase is arranged in the vicinity of the camshaft bearings and comm... | 07/05/1977 |
| 4031877 | Engine lubricating oil pump Air-cooled two stroke internal combustion engine having a cooling air blower driven by the engine and a lubricating oil pump for supplying lubricating oil to the engine, said lubricating oil pump being housed in the hub portion of the blower.... | 06/28/1977 |
| 4023547 | Reciprocating-piston-type internal combustion engine particularly for the operation of passenger automobiles A reciprocating-piston-type internal combustion engine, particularly for the operation of passenger automobiles. The engine includes a cylinder head and a crankcase. The upper portion of the crankcase is integrally casted with the cylinder head. A cavity ... | 05/17/1977 |
| 3965880 | Automotive rear main bearings In an automotive internal combustion engine, a rear main bearing is channeled with one or more channels to direct the high pressure output oil flow away from the rear main seal. The channeled oil flow prevents a high pressure buildup adjacent the rear mai... | 06/29/1976 |
| 3961614 | Lubricating system for internal combustion engines A lubricating system for an internal combustion engine includes a crankcase within which are located the rotating shafts, one of which is the crankshaft, and the bearings for these shafts, the crankcase having disposed above it the cylinder block of the e... | 06/08/1976 |
