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Patent Searching and Data


Matches 351 - 400 out of 554

Document Document Title
JPH0726916A
PURPOSE: To provide a low and a high speed, and a timing of opening and closing intake and exhaust ports of a rotary valve used in a four- or six-cycle engine, which is suitable for the purpose and the speed of an engine, and which enhan...  
JPH0711968A
PURPOSE: To provide a device which forms a compressor in a way that only a case is exchanged, in an internal combustion engine used for various kinds of application, such as a lawn mower, wherein the generation of noise is reduced, compa...  
JPH0692750B2  
JPH0640912Y2  
JPH0640913Y2  
JPH0639064Y2  
JPH06248970A
PURPOSE: To perform the common use of an engine and reduce the size thereof by a method wherein a cam shaft driving means is disposed in a deviation space formed on one side each of right and left banks deviated from each other in a cyli...  
JPH06249056A
PURPOSE: To simplify the manufacturing line of the cylinder block for the V-type engine and the I-type engine as a whole. CONSTITUTION: A cylinder block 1 having a bank 3 only on one side in the width direction is selectively formed by r...  
JPH06248969A
PURPOSE: To shorten the overall length of an I-type engine by a method wherein a power transmission member for driving an auxiliary machine is disposed in an unnecessary connecting rod disposing space formed as a result of a crank shaft ...  
JPH0663458B2  
JPH06167224A
PURPOSE: To obtain a switching device for switching from a four stroke engine operation mode to a two cycle braking mode. CONSTITUTION: A control system formed by a circular slide 11 arranged to be axially movable but non-rotatable is pr...  
JPH06505069A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH06504831A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH06137224A
PURPOSE: To provide a fuel heating control method for a flexible fuel vehicle engine, by which stable combustion can be attained and the power consumption can be limited to the minimum. CONSTITUTION: According to the alcohol concentratio...  
JPH06129334A
PURPOSE: To enhance the acceleration property of an internal combustion engine by minimizing the amount of correction for retarding ignition timing which is unnecessary for restraining knocking. CONSTITUTION: An ignition timing control s...  
JPH06129259A
PURPOSE: To enable reliable switching to be achieved between two cycle and four cycle operations by means of a small-sized device by turning respective ring valves arranged on the peripheral parts of respective cylinders according to the...  
JPH0617608A
PURPOSE: To provide a valve opening/closing device which is capable of being used by switching to four-cycle or two-cycle in correspondence with an engine which can be switched to four-cycle or two-cycle. CONSTITUTION: A control cylinder...  
JPH0610694A
PURPOSE: To obtain a 2-4 strokes switching engine which performs scavenging through a check valve of a scavenging port during 4-stroke operation, and improves heat efficiency. CONSTITUTION: An intake valve 4 arranged on an intake port 3 ...  
JPH0610695A
PURPOSE: To obtain a 2-4 strokes switching engine which performs scavenging through a scavenging port during 4-stroke operation and thus improves heat efficiency. CONSTITUTION: An intake valve 4 arranged on a cylinder head 1 is held in a...  
JPH0571769B2  
JPH0564429U
[Objects of the Invention] Since pumping equipment is installed in engine case outside, the present reciprocating engine which cannot but take a complicated structure is made into a easier structure. In the same engine, change of a metho...  
JPH05505662A
(57)【要約】 本公報は電子出願前の出願データであるため 要約のデータは記録されません。  
JPH05179986A
PURPOSE: To actuate an engine with the fuel having a wide steam pressure and continuously operate it by injecting the fuel into a cylinder during the first stroke, reducing pressure of a fuel-air mixture during the second stroke, increas...  
JPH05141264A
PURPOSE: To easily change displacement with no necessity for changing many parts by changing the displacement by using the same crankcase to change a piston stroke. CONSTITUTION: When assumed H for compression height of a piston 3, L for...  
JPH05126009A
PURPOSE: To provide a 2-4 cycle switchable engine by switching the fuel injection timing of one engine into 2 cycles or 4 cycles. CONSTITUTION: A solenoid mechanism 5 provided with a leak valve 54 controlled by an electromagnet 52, is in...  
JPH05125953A
PURPOSE: To provide a diesel engine which can be switched between two-cycle and four-cycle operations according to operating conditions. CONSTITUTION: A diesel engine is provided with an accumulator unit injector 14 which can set the tim...  
JPH0536040U
[Objects of the Invention] Commoditization of the engine drive transmission part from which a cycle differs is attained. [Elements of the Invention] In a number-of-rotations change mechanism, it equips with cam sprocket 13 via decelerati...  
JPH0598994A
PURPOSE: To prevent a combustion chamber from being supplied with a mixture of respective fuels and provide a satisfactory combustion property by providing a gaseous fuel supplying device in one of a pair of intake paths communicating to...  
JPH0599094A
PURPOSE: To control operations with fuel injection device of one engine freely switched over in such a way as to meet the requirements of two cycle or four cycle operations. CONSTITUTION: A fuel discharging mechanism 7 equipped with a fl...  
JPH0565832A
PURPOSE: To greatly increase engine torque at the time of low revolution and high loading by selectively controlling an intake port and the intake valve of an over-head valve in a changeover engine between two-cycle and four-cycle, and c...  
JPH0565833A
PURPOSE: To efficiently control one engine by selectively controlling an intake system by means of changeover between an intake port below a cylinder and an overhead valve, and controlling the supercharging air systems of two turbo charg...  
JPH0533673A
PURPOSE: To improve the extent of scavenging efficiency in a 2-4 cycle changeable engine. CONSTITUTION: An intake valve 2 and an exhaust valve 3 are installed in a cylinder head 1 while a scavenging hole 5 and an exhaust hole 6 being fre...  
JPH0533672A
PURPOSE: To improve both scavenging and exhausting efficiencies in a 2-4 cycle changeable engine. CONSTITUTION: An intake valve 2 and an exhaust valve 3 are installed in a cylinder head 1, and a common hole 5 is installed in the lower si...  
JPH0533671A
PURPOSE: To provide such a cycle changeable engine as capable of changing itself to two cycle drive and/or four cycle one according to the speed and load of one engine. CONSTITUTION: An intake valve 11, which is closed at the time of two...  
JPH0526050A
PURPOSE: To easily sit a cycle switching point in an engine in which an intake port on the lower part of a cylinder or an intake valve on the cylinder top part is opened or closed according to 2 or 4 cycles, 2 or 4-cycle operation is con...  
JPH0526086A
PURPOSE: To conduct an efficient operation by conducting the timing control of fuel injection to a 2-4 cycle changeable engine according to the operation state of the engine, conducting control to a 2 or 4 cycle operation. CONSTITUTION: ...  
JPH0526051A
PURPOSE: To form a combustion chamber into a heat insulating structure, and prevent bad effects such as the heating of air by a high temperature combustion chamber at the time of 2-cycle operation and a workload loss by opening of an int...  
JPH04370328A
PURPOSE: To improve efficiency of an engine and a level of exhaust gas by changing the 2-cycle engine partially into a 4-cycle operation. CONSTITUTION: In a stage of low load and low rotational speed in an engine, an exhaust valve 2 is o...  
JPH04321714A
PURPOSE: To prevent blow-by of mixture at overlapping of an intake valve and exhaust valves, and improve combustion. CONSTITUTION: A combustion chamber 5 is formed on an intake valve 1 side out of a recessed part 7 provided on the intake...  
JPH04314927A
PURPOSE: To suppress the shock in selection and improve engine efficiency by starting an engine in four-cycle and selecting the operation into two cycle by an acceleration signal, accelerating the engine in two-cycle, and then selecting ...  
JPH04314926A
PURPOSE: To improve acceleration performance and hold durability by operating a turbocharger in two-cycle operation in the engine acceleration and carrying out four-cycle operation in the stable operation. CONSTITUTION: In the low speed ...  
JPH04314925A
PURPOSE: To drastically improve the efficiency of an engine by generating a high torque in the low speed operation and carrying out the operation with high fuel consumption in the high speed operation by selectively switching three opera...  
JPH04241739A
PURPOSE: To easily and surely switch a valve of a 2/4-cycle switching engine by providing 4-cycle intake/exhaust valves and a 2-cycle exhaust valve in an upper part of a cylinder and also connecting each cam shaft corresponding to these ...  
JPH04241738A
PURPOSE: To promptly perform 2/4-cycle switching by simple constitution by providing a liftable sleeve valve in an intake port for a 2-cycle engine, and utilizing a pressure of air, sucked by controlling an intake control valve and a pre...  
JPH04234559A
PURPOSE: To enable the changeover of fuel injection timing accurately in the case of operating as a 2 cycle engine or in the case of operating as a 4 cycle engine by arranging respective gears for 2 cycles and 4 cycles on an injection pu...  
JPH04234508A
PURPOSE:To obtain a clutch enabling the smooth switching of 2 and 4 cycle actions of a suction and exhaust valve. CONSTITUTION:A movable clutch 3 is provided on a gear 1, to which the turning force of a crankshaft is transmitted, via a s...  
JPH04224232A
PURPOSE: To start a two-cycle operation during acceleration of a two-four switching engine by increasing a supercharge pressure, and switching intake/ exhaust mechanisms of the engine and an injection timing. CONSTITUTION: Switching clut...  
JPH04179830A
PURPOSE: To enable easy change-over to 2-cycle operation or 4-cycle operation in accordance with the revolution of an engine, by causing a rotary sleeve in close contact with a cylindrical surface of a cylinder to rotate by mutual attrac...  
JPH04179831A
PURPOSE: To enable easy change-over to 2-cycle or 4-cycle operation in accordance with the revolution of an engine, by detecting the position and speed of a rotary sleeve adapted to rotate in close contact with a cylindrical surface of a...  
JPH04143423A
PURPOSE: To secure such a two-four cycle selector engine which can be put pratical use by installing a selector means which stops one side operation of both two-four cycle operating camshafts. CONSTITUTION: A timing pulley 5 rotates and ...  

Matches 351 - 400 out of 554