摘要:
A method, system and computer program product for optimizing an object-oriented program, which comprises identifying synthetic accessor methods added to the program during a compilation to allow access to the members of the inner classes and replacing the synthetic accessor methods with direct accesses to the members of the inner classes.
摘要:
A dual mesh gear system is provided for a motor vehicle transmission having three axes. The transmission includes two input shafts, first and second clutch assemblies, first and second countershafts, and an output shaft. The transmission uses a first dual mesh for gears four and six and a second dual mesh for gears five and seven. Reverse within the transmission is driven by a reverse driver gear fixedly attached to second gear on the second countershaft. The reverse driver gear is continuously meshed with a reverse driven gear on the first countershaft. The reverse gear combination achieves a reverse gear ratio greater than or equal to the gear ratio of first gear.
摘要:
The present invention provides a fluid pump for an automatic transmission which has at least one driven gear which has a hub portion insertable into the housing of the pump. By using this apparatus, the driven gear needs only to be aligned in one portion of the pump housing. This eliminates the need to align bores in both halves of the pump housing and to align the post section of the driven gears with the bores in the pump housing.
摘要:
A check valve which fits within a multi-diametered shouldered cavity formed within a pump valve body of a transmission. The check valve assembly has a movable valve element with a head to seal an annular aperture in a separator plate of the transmission. The valve element further has a stem axially extending into the cavity. The stem has an enlarged annular end. A base retainer has a spline formation in a central opening which allows the enlarged annular end of the stem to be inserted therein. After relative rotation between the base retainer and the stem of the valve element, the valve element is captured to the base retainer. A spring is captured between the stem of the valve element and the base retainer to bias the head of the valve element against the aperture provided in the transmission separator plate.
摘要:
A method for reacting an axial thrust load generated by a planetary gear system of an automatic transmission for an automotive vehicle is provided. The axial thrust load is transmitted along a first thrust load path between a sun gear of the planetary gear system and a clutch hub of an clutch assembly. The axial thrust load is then transmitted along a second thrust load path between the clutch hub and a thrust bulkhead extending from the transmission housing. A first portion of the axial thrust load is reacted by the transmission housing. A second portion of the axial thrust load is transmitted along a third thrust load path between the thrust bulkhead and an oil pump housing.
摘要:
A method of assembly for a north-south transaxle includes the steps of forming a case with a longitudinal passageway and having an opening generally perpendicular to the passageway. The method also includes forming a head portion and a shaft portion extending from the head portion and installing a front bearing about the transfer shaft and in the passageway. The method further includes installing the transfer shaft in the passageway, installing a rear bearing about the transfer shaft and in the passageway, and retaining the front and rear bearings and transfer shaft in the passageway.
摘要:
A north-south transaxle includes a case having a first passageway extending longitudinally and a second passageway spaced from the first passageway and being generally parallel to the first passageway and extending longitudinally. The transaxle also includes a transmission assembly disposed in the first passageway and having a first shaft portion extending through the first passageway at one end thereof and a transfer assembly disposed in the second passageway and having a second shaft portion extending through the second passageway at one end thereof. The transaxle includes first and second sprocket wheels disposed about the first and second shaft portions, respectively, a chain disposed about the first and second sprocket wheels and a snubber located on tension side of the chain for a dampening vibrations or excursions in the chain.
摘要:
A method, system, and program product for removing exception classes that match a pattern is disclosed. Exception classes are searched for those of the exception classes that match that pattern. The parent classes of matched exception classes are refactored to accept an exception type argument. Code that throws the matched exceptions is rewritten by replacing the exception class with the parent class and adding a corresponding exception type. Code that catches the thrown exceptions is rewritten by changing a catch clause to catch a parent exception class and inserting a case statement for the exception type in that catch clause. The matched exception classes are removed.
摘要:
One implementation of a six-speed transmission includes a first gearset including first and second planetary gearsets each having a number of teeth. The transmission also has a second gearset including a third planetary gearset operably associated with the first and second planetary gearsets. The third planetary gearset has an equal number of teeth with respect to one of the first and second planetary gearsets. The transmission also has a first plurality of shift elements operably associated with the first and second planetary gearsets, each of the first plurality of shift elements being movable between a released state and an applied state to selectively engage at least one of the first and second planetary gearsets. The transmission also has a second plurality of shift elements operably associated with the third planetary gearset, each of the second plurality of shift elements being movable between a released state and an applied state to selectively engage the third planetary gearset. The transmission also has a controller operably associated with the first plurality of shift elements and the second plurality of shift elements to selectively engage the first, second and third planetary gearsets.
摘要:
A computer implemented method, computer program product, and data processing system for reducing the number of inner classes in a compiled computer program written in an object-oriented programming language. An outer class of the compiled computer program is received, wherein the outer class contains an inner class, wherein the outer class comprises instructions to create an instance of an inner class. The instance is to be used as one of a callback, a listener command, a set of instructions by which an object instance of the inner class transfers information to the corresponding containing instance of the outer class, and combinations thereof. A transformation of the outer class is performed by moving methods of the inner class, as well as their contained instructions, into the outer class. The behavior of the compiled computer program remains unchanged.