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| Number | Title | Issue Date |
| 7308870 | Coolant distributing means for an internal combustion engine A cooling system for an internal combustion engine in which bubbles are not transferred to the water pump, and thereby the efficiency of the water pump is maintained. The interior of a water outlet mounted on a cylinder head is divided by a partition wall to form a ... | 12/18/2007 |
| 7284510 | Combustion-engined setting tool A combustion-engined setting tool for driving fastening elements in constructional components includes a member (32) arranged in the combustion chamber (13) for generating turbulence of an oxidant-fuel mixture filling the combustion chamber (13)... | 10/23/2007 |
| 7249578 | Cylinder head gasket for use in an internal combustion engine and internal combustion engine equipped therewith A combustion engine includes a cylinder head and a cylinder crankcase having a cylinder bore and a coolant duct formed therein. The coolant duct is disposed adjacent the cylinder bore and is a cooling system component. A cylinder head gasket is provided between the ... | 07/31/2007 |
| 7246576 | Combustion-engined setting tool A combustion-engined setting tool for driving fastening elements such as, e.g., nails, blots, etc. in constructional components includes a combustion chamber (13) for combusting therein an oxidant-fuel mixture, a turbulence generating element, arranged in the... | 07/24/2007 |
| 7194988 | Combustion-type power tool A combustion-type power tool includes a cylinder and a combustion chamber disposed on top of the cylinder that accommodates a gaseous mixture of existing air in the combustion chamber and fuel injected therein. A spark plug generates a spark to combust the gaseous m... | 03/27/2007 |
| 7178487 | Combustion-engined setting tool A combustion-engined setting tool for driving fastening elements in constructional components includes a combustion chamber (14) for combusting therein a full gas-oxidant mixture, at least one guide element (20) arranged coaxially with a longitudinal a... | 02/20/2007 |
| 7069881 | Cooled ring carrier for a piston The invention relates to a cooled ring carrier that is cast into a piston for internal combustion engines. According to the invention, the zone of the ring carrier facing the cooling channel is coated, thereby preventing air from escaping from the cooling channel th... | 07/04/2006 |
| 6968811 | Power tool having a combustion chamber and method of cooling the combustion chamber A power tool includes a combustion chamber (1; 54), a drive piston (8) adjoining the combustion chamber (1; 54) and displaceable upon combustion of fuel in the combustion chamber, an ignition device (52) for igniting the fuel in the combu... | 11/29/2005 |
| 6866092 | Two-phase heat-transfer systems Various techniques are disclosed for improving airtight two-phase heat-transfer systems employing a fluid to transfer heat from a heat source to a heat sink while circulating around a fluid circuit, the maximum temperature of the heat sink not exceeding the maximum ... | 03/15/2005 |
| 5657722 | System for maintaining engine oil at a desired temperature A temperature control system, in a liquid cooled internal combustion engine equipped with a radiator, controls the state of a flow control valve for controlling flow of a temperature control fluid through a passageway in the engine. Sensors detect the eng... | 08/19/1997 |
| 5255635 | Evaporative cooling system for an internal combustion engine having a coolant equalizing tank An evaporative cooling system for an internal combustion engine has an equalizing tank which is sealed from the atmosphere and divided by a yielding wall into an air-equalizing chamber and a coolant chamber and which has a low flow-resistance connection t... | 10/26/1993 |
| 5213066 | Evaporation cooled internal combustion engine An evaporation-cooled internal combustion engine, in which a cooling system which contains a coolant and an equalization container connected with it are provided. The equalization container is connected to a steam-filled zone of the cooling system by mean... | 05/25/1993 |
| 5031579 | Cooling system for internal combustion engines An apparatus for cooling an internal combustion engine has a coolant jacket surrounding the cylinder walls, the combustion chamber domes, and the exhaust runners of the engine. The coolant jacket has formed therein a coolant chamber. A substantially anhyd... | 07/16/1991 |
| 4955327 | Partial-boil cooling apparatus for engine In a cooling apparatus for an engine, a water jacket is divided into two parts, namely a forcible circulation part located chiefly round a cylinder head, and a natural convection part located chiefly round a liner of a cylinder block. The natural convecti... | 09/11/1990 |
| 4706462 | Method for driving an engine A method is described wherein the efficiency of an internal combustion engine is upgraded. Heat from the engine block is used to generate high pressure steam. The steam is generated in a chamber separate from and in addition to the standard engine cooling... | 11/17/1987 |
| 4553505 | Cylinder head of internal combustion engine An improved cylinder head of internal combustion engine cooled by a so-called boiling liquid cooling system is disclosed, which has in its coolant jacket baffle members in order to inhibit the movement of liquid coolant within the jacket due to changes in... | 11/19/1985 |
| 4550694 | Process and apparatus for cooling internal combustion engines A cooling process for an internal combustion engine comprises the steps of mechanically pumping a boilable liquid coolant having a saturation temperature above about 132° C. at atmospheric pressure from the engine coolant jacket through a radiator and ba... | 11/05/1985 |
| 4493292 | Heat piped piston A piston having an evaporation-condensation heat pipe to transfer heat between piston crown and piston skirts. The evaporation-condensation heat pipe is formed as a structure separate from the piston itself, and the two are joined together by a high condu... | 01/15/1985 |
| 4434774 | Vaporizer for a liquefied petroleum gas engine A vaporizer for a liquefied petroleum gas engine with a cooling system employing coolant, includes a housing having first, second, and third chambers. The housing has a fuel inlet port which is connected to a lower portion of the first chamber to supply t... | 03/06/1984 |
| 4370952 | Reciprocable piston internal combustion engine with at least one cylinder bushing A reciprocable piston internal combustion engine having an engine frame with at least one cylinder bushing inserted therein which bushing with the engine frame forms a cooling water receiving chamber or jacket surrounding the cylinder bushing. One end, wi... | 02/01/1983 |
| 4253431 | Reciprocating piston internal combustion engine with at least one cylinder bushing A reciprocating piston internal combustion engine having an engine frame with at least one cylinder bushing inserted therein which bushing with the engine frame forms a cooling water receiving chamber or jacket surrounding the cylinder bushing. One end, w... | 03/03/1981 |
| 4250953 | Piston sealing Ceramic coatings prevent metal to metal contact between double acting pistons and cylinders. Cylinders and pistons operate in true cylindrical form. Ceramic coated cylinders are gradually brought to operating temperatures while temporary cutting pistons s... | 02/17/1981 |
| 4242878 | Isothermal compressor apparatus and method An isothermal compressor apparatus and method, the apparatus including a compression chamber, a piston operable in the compression chamber and an evaporation chamber disposed in heat exchange relationship with the compression chamber, the evaporation cham... | 01/06/1981 |
| 4013047 | Engine with combustion wall temperature control means An internal combustion engine is provide with heat pipe capsules integrated into portions of the combustion chamber wall-forming components of the engine such as the pistons and cylinder head and arranged to transmit heat from the portions of the combusti... | 03/22/1977 |
| 3945353 | Two phase nozzle cooling system A two phase fuel injection nozzle cooling system having a hydraulically cooled heat pipe. The heat pipe contains a hermetically sealed cooling medium which has a boiling point corresponding to the upper range of acceptable nozzle operating temperatures to... | 03/23/1976 |
