938results about "Vehicle design optimisation" patented technology

The invention provides a power management method for a hybrid power supply, comprising providing a primary power source, providing a rechargeable battery, providing a DC-DC converter, acquiring an amount of the power stored in the rechargeable battery, and when the energy level of the rechargeable battery does not exceed a first predetermined value, the DC-DC converter controls the primary power source to output a first value of a first electrical parameter.

A flanging device for roll-flanging a rim of a component includes a flanging head, a first flanging roller which is mounted by the flanging head and can be rolled off on the rim during roll-flanging, and a second flanging roller which is mounted by the flanging head and forms a counter pressure roller for the first flanging roller, the flanging device including a stable protective structure which is or can be fastened to the component and forms a rolling surface for one of the flanging rollers or supports a rolling surface.

A system and method for retrofitting a propulsion circuit of an existing Off Highway Vehicle to enable the propulsion circuit to operate as a hybrid energy Off Highway Vehicle propulsion circuit. The hybrid propulsion circuit includes a primary power source, and a traction motor for propelling an Off Highway Vehicle in response to the primary electric power. The traction motor has a motoring mode of operation and a power dissipation mode of operation. The traction motor generates dynamic braking electrical power in the power dissipation mode of operation. An electrical energy storage system includes a chopper circuit coupled to an energy storage device. The storage device is responsive to the chopper circuit to selectively store electrical energy generated in the power dissipation mode. The storage system selectively provides secondary electric power from the storage device to traction motor to assist in propelling the Off Highway Vehicle during the motoring mode.

A semiconductor device includes a semiconductor substrate, a circuit part formed on and above the semiconductor substrate, a passivation film covering the circuit part, an electrode pad provided outside the circuit part in such a manner that the electrode pad is exposed from the passivation film, and a guard ring pattern provided between the electrode pad and the circuit part such that the guard ring pattern surrounds the circuit part substantially. The guard ring pattern extends from a surface of the semiconductor substrate to the passivation film.

A flexible printed circuit board is robust to a repeated twisting and consists of a minute circuit printed on a flexible insulated material sheet, and has the bent parts of the opposite edges symmetrical in structure. The bent parts are straightened out when twisting occurs. In the flexible printed circuit board, the opposite edges are longer in length than the middle part such that the tensile deformation at the opposite edges at the time of twisting does not occur or is minimized.

Disclosed herein is a locking guide of a locking device for a vehicle seat. The locking device comprises a lower rail, an upper rail coupled to the lower rail, a locking guide fixed to a bottom surface of the upper rail, a pair of lock members having a plurality of locking protrusions, a plurality of locking grooves engaged with the locking protrusions, and a lock spring. The locking guide is formed by pressing a plate member having a predetermined thickness. The locking guide comprises a bottom surface recessed in the locking guide, a guide body having a circumferential portion formed along edges of the bottom surface, guide holes formed through the bottom surface of the guide body such that the locking protrusions can enter or exit through the guide holes, supporting posts extended at the front and rear sides of the guide body to a height such that the supporting posts can be connected to the upper rail, and fixing flanges, each of which has a fixing hole and is bent at an end of the supporting post so as to be fixed to the upper rail.

A noise and vibration diagnosis device and control method thereof are provided for measuring noise and vibration generated in a vehicle. The device may include a measuring sensor configured to be attached at a predetermined position of a vehicle to measure noise and vibration thereof, a signal input portion to which the noise and vibration signal that is generated from the measuring sensor is inputted, and a control portion configured to receive the signal that is transferred from the signal input portion and compare it with a predetermined reference value to output a replacement signal by which it is determined whether the component on which the measuring device is attached is to be replaced or not in accordance with the comparison result. The noise and vibration causing a dissatisfaction that is expressed by a customer can be diagnosed in a short time, and an objective maintenance service is provided such that the mechanic can provide reliable service to the customer. Also, the diagnosis is performed through a standard process to reduce the maintenance time and the cost thereof, and a data base for the maintenance data can be established such that the maintenance data can be commonly used to provide uniform quality among maintenance centers through a network.

An equipment console for use in a vehicle having a driver compartment including a dashboard, floor and driver seat. The equipment console has a console body for supporting equipment in a location accessible to a person seated in the driver seat. The front of the console body includes a front portion configured to receive and support the equipment. The console body also has a back generally opposite the front of the console body. The back of the console body may be integrated with the dashboard by providing the back with a profile that conforms at least partially to a contour of the dashboard. In addition, the console body may be adapted to cover an area of the dashboard in which climate controls were originally installed, with an upper portion of the console body being adapted to receive and secure the climate controls in a relocated position so that they may be operated from the front of the console body.

An improved structure for a rack drive assembly adapted for use in a vehicle electric power steering assembly includes a ball nut assembly operatively connected to a screw portion of a rack portion of a steering member of the power steering assembly for effecting axial movement of the steering member upon rotation of a vehicle steering wheel. According to one embodiment, the ball nut assembly includes a ball nut having an outer surface; a bearing assembly fixedly disposed in the rack housing and carried by the ball nut for rotatably supporting the ball nut assembly relative to the steering member; and a damper disposed on an outer race of the bearing assembly. The damper includes a pair of dampers disposed on the outer race of the bearing assembly, each of the dampers including at least a first member formed from a first rigid material and a second member formed from a second damping material.

A semiconductor device includes a semiconductor substrate, a circuit part formed on and above the semiconductor substrate, a passivation film covering the circuit part, an electrode pad provided outside the circuit part in such a manner that the electrode pad is exposed from the passivation film, and a guard ring pattern provided between the electrode pad and the circuit part such that the guard ring pattern surrounds the circuit part substantially. The guard ring pattern extends from a surface of the semiconductor substrate to the passivation film.

Apparatus and methods are provided for mounting a flat panel display to an outer surface of a control panel over a panel opening therein, e.g., for retrofitting an existing display. A display is secured to a frame, and the frame is mounted to the control panel such that the display is disposed over the panel opening. Wires from the display are directed through the control panel, and coupled to circuitry behind the control panel. For example, a box with circuitry to operate the display may be mounted behind the control panel, e.g., generally opposite the display. The display may be a resized liquid crystal display, e.g., including one or more diagonal corners. The resulting display may be larger than the existing display and / or may maximize the size of an active area of a display given a fixed area available on a control panel.

Powered retractable vehicle step assist systems and methods are provided. The steps systems are configured for installation (e.g., after market installation) and use with a vehicle. The system can include a stepping member movable between a retracted position and a deployed position with respect to the vehicle. The system can further include a vehicle interface configured to electronically communicate with an existing communication bus of the vehicle, such as through a connection with an existing electronics port of the vehicle. A controller of the step system can be configured to process information received from the vehicle interface and, based at least partly on the processing of the information, cause movement of the stepping member between the retracted position and the deployed position.

An improved structure for a rack drive assembly adapted for use in a vehicle electric power steering assembly includes a ball nut assembly operatively connected to a screw portion of a rack portion of a steering member of the power steering assembly for effecting axial movement of the steering member upon rotation of a vehicle steering wheel. According to one embodiment, the ball nut assembly includes a ball nut having an outer surface; a bearing assembly fixedly disposed in the rack housing and carried by the ball nut for rotatably supporting the ball nut assembly relative to the steering member; and a damper disposed on an outer race of the bearing assembly. The damper includes a pair of dampers disposed on the outer race of the bearing assembly, each of the dampers including at least a first member formed from a first rigid material and a second member formed from a second damping material.

A custom instrument gauge module is disclosed which replaces the OEM instrument cluster gauges sub-assembly and utilizes the original electronic circuitry for the unique customization of an existing instrument cluster. The custom gauge module is designed and calibrated to replace the original cluster graphics, gauges, and pointers, while maintaining the original cluster circuitry and, optionally, the molded housing. The flexible design and manufacturing of the custom gauge module allows the enhancement of existing instrument panels to have an upgraded appearance and additional functions, while maintaining and using the original cluster complex electronic circuit.

A planar light source unit includes: a light source; an upper case having an opening through which the light is emitted from the light source; a lower case fitted with the upper case and including a hole; a light guide plate disposed inside the upper case and the lower case; a resin frame including a first surface that holds the light guide plate, a second surface opposed to the first surface, a first restriction member penetrated through the hole of the lower case, the first restriction member including a first portion extending from and substantially perpendicular to the second surface, and a second portion contacted with a portion of the first portion and having a third surface substantially parallel to the second surface; and a first member, a part of which is inserted into a clearance defined by the second surface, the first portion and the third surface.