Patent application number | Description | Published |
20100133026 | POWER TRAIN OF HYBRID VEHICLE - According to the present invention, since a rotor shaft of a motor can be connected/disconnected with/from an input shaft of a transmission, it is possible to reduce or block vibration and noise between the motor and the transmission, thereby improving durability of the motor and achieving smooth gearshift. Further, when a vehicle is driven with the engine directly connected with the input shaft of the transmission, it is possible to easily implement driving sub-control and regenerative braking control by the motor, thereby achieving good properties against noise and vibration. | 06-03-2010 |
20110111907 | TRANSMISSION FOR HYBRID VEHICLE - A transmission for a hybrid vehicle is provided to implement one or more electric vehicle modes, two or more power split modes, and a plurality of fixed-gear ratio modes that can improve driving performance and fuel efficiency. | 05-12-2011 |
20110111908 | TRANSMISSION FOR HYBRID VEHICLE - A transmission for a hybrid vehicle is provided to implement one or more electric vehicle modes, two or more power split modes, and a plurality of fixed-gear ratio modes that can improve driving performance and fuel efficiency. | 05-12-2011 |
20110111909 | TRANSMISSION FOR HYBRID VEHICLE - A transmission for a hybrid vehicle is provided to implement one or more electric vehicle modes, two or more power split modes, and a plurality of fixed-gear ratio modes that can improve driving performance and fuel efficiency. | 05-12-2011 |
20120118090 | GEAR SHIFTING SYSTEM FOR ELECTRIC VEHICLE - A gear shifting system is described that includes an first shaft that is connected to a motor to be rotated thereby, a synchronizing gear, a first insert unit and a second insert unit protrude at both sides thereof, a first gear and a second gear configured to rotate around the first shaft, a first plate and a second plate, a first engagement aperture and a second engagement aperture, and a second shaft. The second shaft is configured to move the synchronizing gear in an axial direction so that the first insert unit is inserted into the first engagement aperture or the second insert unit is inserted into the second engagement aperture to transfer a torque of the synchronizing gear to the first gear or the second gear. | 05-17-2012 |
20120138419 | LAYOUT FOR PARKING SYSTEM OF DECELERATOR FOR ELECTRIC MOTOR VEHICLE - A layout for parking system of decelerator for an electric motor vehicle is provided herein. More specifically, the layout includes a decelerator housing, an input gear disposed within the decelerator housing, an output gear disposed within the decelerator housing, an intermediating gear connecting the input gear and the output gear and a parking unit disposed above the input gear and selectively trammeling the intermediating gear. Further, in the present layout the parking unit is disposed above an oil line in the decelerator housing. | 06-07-2012 |
20120141297 | OIL PUMP CONTROLLING SYSTEM OF HYBRID VEHICLE AND METHOD THEREOF - The present invention relates to an oil pump control apparatus of a hybrid vehicle that controls an oil pump according to a demand of an output torque and oil temperature, and a method thereof. A oil pump control method includes controlling hydraulic line pressure by operating a oil pump at a maximum power if a starting demand for a hybrid vehicle is detected, calculating a viscosity to correspond to an oil temperature in an engine stop mode and controlling a rotation speed of the oil pump at a low power, and calculating a viscosity according to a variation of a line pressure in a driving mode and controlling the rotation speed of the electric oil pump in either a low power, a middle power, and a high power state. | 06-07-2012 |
20130138282 | BATTERY CHARGING METHOD AND SYSTEM FOR HYBRID VEHICLE AND THE HYBRID VEHICLE USING THE SAME - A battery charging method for a hybrid vehicle and the hybrid vehicle using the same are disclosed. The hybrid vehicle includes an engine and a motor as power source and includes the battery in which electrical energy for driving the motor is stored. The method and system may include: determining whether the battery needs to be charged while the vehicle is stopped; transitioning a transmission to a neutral position (N position) when the battery needs to be charged; starting the engine and engaging an engine clutch to connect the engine with the motor so that the motor generates electrical energy via power from the engine. The electrical energy generated by the motor is then stored in the battery accordingly. | 05-30-2013 |
20130145898 | POWER DELIVERY DEVICE FOR VEHICLE - Disclosed is a power delivery device for a vehicle that improves power delivery efficiency. More specifically, the power delivery device includes a first motor having a first drive shaft directly connected to an output shaft of an engine, a second motor having a second drive shaft directly connected to an input shaft of a gearbox, and a clutch selectively connecting the output shaft of the engine with the input shaft of the gearbox. | 06-13-2013 |
20140046525 | START CONTROL APPARATUS AND METHOD FOR A HYBRID ELECTRIC VEHICLE - Disclosed is a start control apparatus and method for a hybrid electric vehicle which provides starting of a second gear ratio or a first ratio based on an inclination of a road surface, a travel environment, and a state of the vehicle when the hybrid electric vehicle stops and then starts. The method includes: determining a state of the hybrid electric vehicle, a travel environment condition, and a state of charge (SOC) of a battery when a start request is detected in a stopped state while the vehicle maintains ignition on; determining whether the state of the hybrid electric vehicle, the travel environment condition, and the SOC of the battery satisfy start conditions of a second gear ratio; and when the start conditions are satisfied, controlling output torques of a motor and an engine corresponding to a torque requested from an accelerator pedal in an EV mode or an HEV mode. | 02-13-2014 |
20140048378 | CLUTCH ACTUATOR UNIT - Disclosed herein is clutch actuator unit that includes a housing that includes a mounting space and a penetration aperture for receiving an operating rode. A slide pad and slider are disposed along an inner side surface of the mounting space, and are configured to move back and forth within the housing. An operating rod that is connected to the slider through the penetration aperture is moved back and forth, along with the slider and slid pad, through the aperture via a drive portion. A stopper is also integrally formed along the front surface of the slide pad to limit the movement of the slider accordingly. In doing so, the disclosed actuator is able to dynamically locate certain stroke positions and provide an improved shifting operation. | 02-20-2014 |
20140244087 | OIL PUMP CONTROLLING SYSTEM OF HYBRID VEHICLE AND METHOD THEREOF - The present invention relates to an oil pump control apparatus of a hybrid vehicle that controls an oil pump according to a demand of an output torque and oil temperature, and a method thereof. A oil pump control method includes controlling hydraulic line pressure by operating a oil pump at a maximum power if a starting demand for a hybrid vehicle is detected, calculating a viscosity to correspond to an oil temperature in an engine stop mode and controlling a rotation speed of the oil pump at a low power, and calculating a viscosity according to a variation of a line pressure in a driving mode and controlling the rotation speed of the electric oil pump in either a low power, a middle power, and a high power state. | 08-28-2014 |
Patent application number | Description | Published |
20110111906 | TRANSMISSION FOR HYBRID VEHICLE - The transmissions for a hybrid vehicle according to the present invention provide multiple electric vehicle modes, multiple power split modes, and multiple fixed-gear ratio modes, thereby increasing driving performance and fuel efficiency. | 05-12-2011 |
20110136608 | HYDRAULIC CONTROL SYSTEM OF POWER TRAIN FOR HYBRID VEHICLE - The present invention provides a hydraulic control system of a power train for a hybrid vehicle that allows the power train of a hybrid vehicle to implement all of two or more EV modes, two or more power split modes, and at least three or more fixed-stage modes, with a relatively simple configuration, and achieves satisfactory power performance of the power train and fuel efficiency and reduce the cost of the valve body, remove possibility of malfunction, and implements a limp home function when a controller is broken. | 06-09-2011 |
20120091835 | Motor-Generator Cooling System of Hybrid-Automobile - A motor/generator cooling system of a hybrid vehicle that has a first and second motor/generator disposed in an axial direction in a transmission, may include a cooling pipe that may be disposed in an axial direction along an upper and outside of the first and second motor/generator in the transmission, a rear cover that may be connected to a downstream side of the cooling pipe such that the cooling pipe may be fixed thereto, an input supporter that may be connected to an upstream side of the cooling pipe, forms a cooling oil passage, and rotatably supports a rotor of the first motor/generator, and a case that the rear cover and the input supporter may be mounted thereon, an oil filter connected to a hydraulic pump may be mounted therein, a penetration hole may be formed therein, and the cooling pipe penetrates the penetration hole to be fixed thereto. | 04-19-2012 |
20120116622 | METHOD FOR DETERMINING OPERATING STATE OF ELEMENT OF TRANSMISSION - A method for determining an operating state of elements of a transmission may include acquiring rotational speeds of both members constituting the elements, determining whether the rotational speeds of the members may be the same, and determining that the elements may be directly connected when the rotational speeds of the members may be the same, and that the elements may be disconnected or slip when the rotational speeds of the members may be different. | 05-10-2012 |
20130146417 | ACTUATOR FOR CLUTCH - An actuator apparatus for a clutch that operates the clutch of a transmission according to operation of a motor, may include the motor including a stator and a rotator, wherein the rotator has a drive shaft and a rotator core receiving the drive shaft therein, a lead screw engaged to the drive shaft of the motor and movable in a length direction thereof according to the operation of the drive shaft in the motor, a rod disposed apart from the lead screw, a slider connecting the lead screw with the rod, and a guide rail disposed to contact with the slider and guiding a linear motion of the slider. | 06-13-2013 |
20130151100 | ACTUATOR COMPENSATION SYSTEM FOR CLUTCH AND METHOD THEREOF - A compensation method of an actuator system for a clutch may compensate initial operating position of an actuator that may be changed due to abrasion so that may maintain stroke distance of a clutch stable. The compensation method includes determining a target pressure if operating requirement of a clutch is detected and operating an actuator according to the target pressure, determining whether operating movement of the actuator is strayed from a predetermined value if operating pressure of the actuator reaches the target pressure, determining error of initial operating position of the actuator if the operating movement of the actuator is strayed from the predetermined value and determining compensating ratio according to the detected position deviation of the error and compensates the initial operating position of the actuator by controlling a lead screw of the actuator according to the determined compensating ratio. | 06-13-2013 |
20130296089 | POWER TRAIN FOR HYBRID VEHICLE - An exemplary embodiment of the present invention provides a power train for a hybrid vehicle can achieve three or more fixed gear ratio modes where a vehicle is driven at a fixed gear ratio, such as shift stages of common transmission, only by the driving force of an engine without driving a motor generator, as well as an electric vehicle mode, which is the basic drive modes of a hybrid vehicle, and two or more power division modes including an input division mode and a composite mode, thereby driving the vehicle with high efficiency in accordance with traveling conditions of the vehicle and improving fuel efficiency. | 11-07-2013 |
20130341153 | DUAL CLUTCH DEVICE FOR VEHICLE - A dual clutch device for a vehicle may include a drive motor provided in a motor housing, a clutch housing connected to the motor housing wherein a clutch may be provided in the clutch housing, and a cooling oil flowing unit forming a hydraulic line fluid-connecting the motor housing and the clutch housing and supplying a cooling oil to the drive motor and the clutch through the hydraulic line. | 12-26-2013 |
20150051765 | SHIFT CONTROL METHOD AND SYSTEM OF HYBRID VEHICLE - A shift control method and system of a hybrid vehicle that prevent engine clutch slip occurring when a transfer torque of engine clutch is greater than an allowable transfer torque under unfavorable driving conditions by controlling a shifting time, may include, (a) detecting an engine torque. (b) determining an input torque of an engine clutch based on the engine torque. (c) comparing the determined input torque and a predetermined allowable transfer torque of the engine clutch. (d) increasing a present shifting time by a predetermined value when the determined input torque is greater than the allowable transfer torque and applying the increased shifting time. | 02-19-2015 |