Patent application number | Description | Published |
20080302320 | Variable Valve Operating Device - The present invention relates to a variable valve operating device and makes it possible to reduce the loss in driving force transmission from a camshaft to a valve during a valve lift. | 12-11-2008 |
20090038567 | Variable valve operating device - The present invention relates to a variable valve operating device and makes it possible to inhibit friction during driving force transmission and provide high durability through the use of a compact configuration. | 02-12-2009 |
20090255494 | Variable Valve Mechanism for Internal Combustion Engine - A worm gear is connected to an actuator and a worm wheel is connected to a. control shaft. The worm wheel has teeth formed only on a predetermined angular range thereof. The above-referenced angular range includes a required rotational range of the control shaft. The worm wheel is formed to be brought out of mesh with the worm gear outside the predetermined angular range. | 10-15-2009 |
20090277408 | Variable valve operating device and valve opening amount adjustment method - The present invention relates to a variable valve operating device and a valve opening amount adjustment method, and can accurately control the amount of in-cylinder air and the strength of a swirl flow. The variable valve operating device according to the present invention includes a valve mechanism that can select a dual valve variable control mode in which the valve opening amounts of a first valve and a second valve, which are of the same type and provided for the same cylinder, can be varied continuously or in multiple steps. A valve opening amount difference is provided when the valve opening amounts are minimized in the dual valve variable control mode so that the valve opening amount of the first valve is larger than that of the second valve. In addition, adjustments are made so that the minimum valve opening amount of the first valve does not vary from one cylinder to another. | 11-12-2009 |
20090320779 | VARIABLE VALVE MECHANISM - Disclosed is a variable valve mechanism for an internal combustion engine. The variable valve mechanism accurately adjusts the valve operating angle although its structure is simple. The variable valve mechanism includes a control pin | 12-31-2009 |
20120145128 | VARIABLE COMPRESSION RATIO V-TYPE INTERNAL COMBUSTION ENGINE - A variable compression ratio V-type internal combustion engine joins the cylinder blocks of two cylinder groups together and makes the joined cylinder blocks move relative to a crankcase. The variable compression ratio V-type internal combustion engine includes a first relative movement mechanism and a second relative movement mechanism. The first relative movement mechanism and the second relative movement mechanism can be independently controlled, and a first relative movement distance at one cylinder group side of the cylinder block in the direction of the centerline of the engine which passes through the center of the crank shaft as seen in the front plan view caused by the first relative movement mechanism and a second relative movement distance at the other cylinder group side of the cylinder block in the direction of the centerline of the engine caused by the second relative movement mechanism are able to made different. | 06-14-2012 |
20120160055 | DUAL CAMSHAFT STRUCTURE AND METHOD FOR ASSEMBLING DUAL CAMSHAFT STRUCTURE - In a dual camshaft structure, an inner shaft provided with a variable cam is inserted into an outer shaft provided with a secured cam. In the dual camshaft structure, the secured cam is provided on a first cylindrical member, the first cylindrical member is secured to the outside of the outer shaft, the variable cam is provided on the second cylindrical member, and the second cylindrical member is installed at the outside of the first cylindrical member and is secured to the inner shaft by a connection member via a notch provided on the first cylindrical member and a notch provided on the outer shaft. Therefore, the rigidity of the dual camshaft structure can be ensured, and a slidable surface of a cam rotatable at the outside of the outer shaft can be held. | 06-28-2012 |
20120210957 | VARIABLE COMPRESSION RATIO V-TYPE INTERNAL COMBUSTION ENGINE - The present variable compression ratio V-type internal combustion engine is a variable compression ratio V-type internal combustion engine which joins cylinder blocks of two cylinder groups and makes the joined cylinder block | 08-23-2012 |
20120210979 | INTAKE APPARATUS OF ENGINE - An intake apparatus of an engine includes: a first intake passage supplying fresh air to a cylinder; a second intake passage arranged near the first intake passage, and supplying fresh air to the cylinder; a first intake valve opening and closing the first intake passage at an aperture of the first intake passage; a second intake valve opening and closing the second intake passage at an aperture of the second intake passage. An opening timing of the first intake valve of the intake apparatus advances relative to a top dead center, and a valve lift amount of the first intake valve differs from that of the second intake valve, and there is a period while the valve lift amount of the first intake valve is larger than that of the second intake valve, in an intake stroke. | 08-23-2012 |
20120234274 | SPARK IGNITION TYPE INTERNAL COMBUSTION ENGINE - A spark ignition type internal combustion engine includes a plurality of cylinders and can stop combustion in part of these cylinders. Further, the spark ignition type internal combustion engine comprises a variable compression ratio mechanism (A) which can change an mechanical compression ratio, and a variable valve timing mechanism (B) which can control a closing timing of an intake valve. When idling part of the cylinders or increasing idled cylinders, the closing timing of an intake valve ( | 09-20-2012 |
20120260890 | VARIABLE COMPRESSION RATIO V-TYPE INTERNAL COMBUSTION ENGINE - The present variable compression ratio V-type internal combustion engine is a variable compression ratio V-type internal combustion engine which joins cylinder blocks of two cylinder groups and makes the joined cylinder block move relatively to a crankcase, wherein the engine is provided with a first relative movement mechanism which is fastened to a first cylinder group side of the joined cylinder block through a plurality of supports and a second relative movement mechanism which is fastened to a second cylinder group side of the joined cylinder block through a plurality of supports. The number of the supports in each of the first relative movement mechanism and the second relative movement mechanism is made at least a number greater by exactly one than the number of cylinders of the first cylinder group and the second cylinder group, respectively. | 10-18-2012 |
20120279464 | PHASE CHANGING DEVICE OF CAMSHAFT - A phase changing device | 11-08-2012 |
20120316759 | VARIABLE COMPRESSION RATIO V-TYPE INTERNAL COMBUSTION ENGINE - The present variable compression ratio V-type internal combustion engine is a variable compression ratio V-type internal combustion engine which joins cylinder blocks of two cylinder groups and makes the joined cylinder block move relatively to a crankcase, wherein at each relative movement position of the joined cylinder block, the intake valve closing timings of the cylinders are controlled so that the actual compression ratios of the two cylinder groups become equal and thus the temperature difference and pressure difference in the cylinders at top dead center between the two cylinder groups are reduced. | 12-13-2012 |
20120325167 | VALVE DRIVE SYSTEM OF INTERNAL COMBUSTION ENGINE - A valve drive system of internal combustion engine which operates at a high compression ratio cycle, which is provided with an intake cam | 12-27-2012 |
20130061826 | STIRLING ENGINE GAS LUBRICATION STRUCTURE - In a case of performing a static pressure gas lubrication by a stirling engine provided with a pair of cylinders of a high-temperature-side cylinder | 03-14-2013 |
20130220272 | ENGINE CONTROL APPARATUS | 08-29-2013 |
20140020376 | OUTPUT CONTROLLER FOR STIRLING ENGINE - An output controller for a stirling engine is provided in a cooling system that causes common cooling water to flow through both the stirling engine and an internal combustion engine serving as a motive power source other than the stirling engine. The output controller for the stirling engine includes a temperature adjustment portion that adjusts a temperature of the cooling water supplied to the stirling engine. Specifically, the temperature adjustment portion includes a temperature adjustment valve capable of adjusting the temperature of the cooling water supplied to the stirling engine by switchably setting at least one of partial cooling paths and into a communication state. | 01-23-2014 |
20140230428 | STIRLING ENGINE - A stirling engine | 08-21-2014 |