Interrelated power delivery controls, including engine control inventions 06/09

20090163317 - Power output apparatus, vehicle provided with the same, and method of controlling the same: In a vehicle having a planetary gear mechanism to which an engine, a first motor, a drive shaft and a second motor are connected, while the engine is stopped, an increase rate (ΔTr) by which required torque (Tr*), which is the torque required to be output to a drive shaft,... Agent: Oliff & Berridge, PLC

20090163318 - Engine-load control device for working vehicle: An engine load control device is adapted to a working vehicle in which output of an engine is transmitted to drive wheels and to hydraulic actuators including a working equipment hydraulic actuator via a plurality of variable capacity hydraulic pumps. The control device includes an engine speed detection unit that... Agent: GlobalIPCounselors, LLP

20090163319 - Work machine with power limit control using an infinitely variable transmission: A work machine includes an internal combustion (IC) engine, and an infinitely variable transmission (IVT) coupled with the IC engine. The IVT includes an adjustable module and a mechanical module, with an adjustable input/output (I/O) ratio. A clutch is coupled with the mechanical module and has an output. An adjustable... Agent: Deere & Company

20090163320 - Shift control system of automatic transmission and method thereof: A shift control system of an automatic transmission and a method thereof include controlling the off-going and on-coming clutches according to hydraulic pressures of the off-going and on-coming clutches calculated based on a flare amount when a flare occurs, controlling the on-coming clutch according to hydraulic pressure of the on-coming... Agent: Morgan, Lewis & Bockius LLP (sf)

20090156355 - System and method for controlling clutch engagement in hybrid vehicle: The present invention provides a system and method for controlling clutch engagement in a hybrid vehicle, in which an appropriate clutch engagement mode is selected based on vehicle state, and the like, and a speed difference between both sections of a clutch and a torque transmitted to the vehicle during... Agent: Edwards Angell Palmer & Dodge LLP

20090156356 - Adaptive clutch torque control for a powershift transmission: A method for controlling an input clutch of a vehicle transmission that includes an output driveably connected to the input clutch includes increasing the torque capacity of the input clutch, determining a reference acceleration of the output, determining a current acceleration of the output after the reference acceleration is determined,... Agent: Macmillan, Sobanski & Todd, LLC

20090156357 - Method and system for releasing hydraulic pressure of automatic transmission: The present invention relates to a method and a system for releasing hydraulic pressure of an automatic transmission that improve shift responsiveness and stability of hydraulic pressure control as a consequence of quickly supplying to a pressure control valve as feedback pressure a part of operating pressure that is supplied... Agent: Morgan, Lewis & Bockius LLP (sf)

20090156358 - Transmission shift signal for aftertreatment device control: Discontinuous torque ratio shifts by a transmission can result in complex transient exhaust conditions that can adversely affect exhaust air-fuel ratio control, which can result in ineffective regeneration. In extreme cases, the result can be irreversible damage to exhaust system components. The inventors' concept is to alter either regeneration scheduling... Agent: Paul V. Keller, LLC

20090156359 - Power transmission apparatus for vehicle: A power transmission apparatus for a vehicle includes a main drive power source; a first shift unit that has an input shaft connected to the main drive power source; a second shift unit; at least one electric motor connected to a rotating element of the first shift unit or a... Agent: Oliff & Berridge, PLC

20090156360 - Part-throttle performance optimization: A system and method for optimizing machine performance using speed shaping in a machine having an engine and a drivetrain implementing engine underspeed module receives a throttle command requesting an increase in engine speed and transmits the throttle command to the engine. If the requested increase exceeds a predetermined function,... Agent: Leydig, Voit & Mayer, Ltd

20090149294 - Method for the wear-free braking of a vehicle with an electrodynamic drive system: A method for wear-free braking of a vehicle having an electrodynamic drive system including an electric machine and a planetary gearset with a crankshaft of the combustion engine being connected with a first element of the gearset, the electric machine connected to a second element of the gearset and a... Agent: Davis & Bujold, P.l.l.c.

20090149295 - Vehicle control apparatus and vehicle equipped with the control apparatus: The hybrid vehicle 1 includes wheels 14, an engine 12, a motor 11, a multi-stage transmission 20 that reduces motor torque and transmits the reduced torque to the wheels, and a brake 15 that brakes the wheels. During deceleration downshift control, a hybrid control module 100 provides distribution control of... Agent: Crowell & Moring LLP Intellectual Property Group

20090149296 - Work machine coast and brake control with an infinitely variable transmission: A work machine includes an IC engine having an output, an IVT having an input coupled with the IC engine output, and a ground speed actuator. A desired speed sensor associated with the ground speed actuator provides an output signal indicating a slower ground speed. At least one electrical processing... Agent: Deere & Company

20090149297 - Method for controlling a motor vehicle with an automated clutch: The invention concerns a method for controlling a motor vehicle (2) with an automatic transmission (6) and an automated clutch (8), with a control unit (20), a drive or accelerator pedal (32), an element (30) for determining the position of the drive or accelerator pedal, and an actuating device (28)... Agent: Davis & Bujold, P.l.l.c.

20090149298 - Aggressive torque converter clutch slip control design through driveline torsional velocity measurements: A system and method for setting the slip of a torque converter for a plurality of selected engine speeds and transmission gears. The method includes populating a table off-line, typically using a dynamometer, with torque converter slips for a plurality of selected engine speeds and transmission gears. A speed sensor... Agent: MillerIPGroup, PLC General Motors Corporation

20090143189 - Control apparatus of a hybrid vehicle and method for controlling the same: Disclosed herein are embodiments of a control apparatus for a hybrid vehicle that is capable of suppressing overheating of the second clutch. Control is switched between engine-used slip drive control and motor drive control on a basis of a temperature of the second clutch. Control methods for a hybrid vehicle... Agent: Young & Basile, P.C.

20090143188 - Idle speed control of a hybrid electric vehicle: In a powertrain that includes wheels for driving a vehicle, a crankshaft, a machine driveably connected to the crankshaft and able to operate alternately as an electric motor and electric generator, a transmission including an input clutch driveably connected to the crankshaft and an output driveably connected to the wheels,... Agent: Macmillan, Sobanski & Todd, LLC

20090143190 - Transmission system for all-terrain van: A transmission system includes a power transmission mechanism mounted on a chassis of an all-terrain van and front and rear wheel mechanism mounted on the chassis of the all-terrain van. The power transmission mechanism includes an engine mounted on the chassis in a transverse direction of the chassis. The engine... Agent: Dr. Banger Shia Int''l Patent Office Of Bang Shia

20090143192 - Drive control device for vehicle: A vehicle drive control device includes a continuously variable transmission mechanism (hereinafter referred to as CVT (6) of a torque control type capable of continuously varying a transmission gear ratio, and a controller (34) which controls operations of the CVT (6) and an engine (2). The controller (34) includes a... Agent: Rabin & Berdo, PC

20090143191 - Power train control system: A power train is provided having a power source operably coupled to a transmission to transmit a power output to at least one traction device. The power train also has a controller configured to regulate the power output so that the power output generated when the at least one traction... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20090143193 - Vehicle drive unit: A vehicle drive unit is provided which includes a hydraulic circuit capable of efficiently supplying a hydraulic pressure from an accumulator to a hydraulic servo while minimizing the capacity of the accumulator. In a hydraulic circuit included in a continuously variable transmission, an accumulator is connected through an electromagnetic switch... Agent: Sughrue Mion, PLLC

20090143194 - Energy storage type of dual-drive coupled power distribution system: An energy storage type of dual-drive coupled power distribution system adapted to an all wheel driving (AWD) transportation means having a revolution output end from an internal combustion engine that drives front wheel through a front-wheel transmission assembly by means of an intermediate transmission and control interface or a coupling... Agent: Rabin & Berdo, P.C.

20090143195 - Rapid acceleration control apparatus: A rapid acceleration control apparatus has a rapid acceleration prime mover rotational speed control section and a rapid acceleration start clutch capacity control section. The rapid acceleration prime mover rotational speed control section executes a rapid acceleration start prime mover rotational speed control that control a rotational speed of the... Agent: GlobalIPCounselors, LLP

20090143196 - Avoiding coasting downshift torque reversal in an automatic transmission: A method for controlling a coast down downshift that is produced in an automatic transmission by disengaging an off-going control element and engaging an oncoming control element, including the steps of determining a first desired pressure magnitude of the off-going control element and a first desired pressure magnitude of the... Agent: Macmillan, Sobanski & Todd, LLC