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Solenoid having inverse tapered armature for solenoid-actuated valve

A solenoid, armature technology, applied in the direction of electromagnets with armatures, valve operation/release devices, circuits, etc.

Active Publication Date: 2019-02-05
BORGWARNER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the main disadvantage of this one-piece core construction is that the flux tubes and pole pieces are connected by bridges

Method used

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  • Solenoid having inverse tapered armature for solenoid-actuated valve
  • Solenoid having inverse tapered armature for solenoid-actuated valve
  • Solenoid having inverse tapered armature for solenoid-actuated valve

Examples

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Embodiment Construction

[0017] Referring now to the drawings, in which like reference numerals are used to refer to like structures unless otherwise indicated, a solenoid actuated valve 30 according to one embodiment of the present invention is figure 1 shown in , for use in conjunction with an automatic transmission (not shown) for a vehicle (not shown). The vehicle includes an engine (not shown) that cooperates with an automatic transmission. The engine produces rotational torque that is selectively transferred to an automatic transmission, which in turn transfers rotational torque to one or more wheels of the vehicle. It should be appreciated that the engine and / or automatic transmission may be of any suitable type, configured in any suitable manner sufficient to generate and transfer rotational torque to propel the vehicle, without departing from the scope of the present invention. It should also be appreciated that the solenoid actuated valve 30 may be used in any system such as a transfer case...

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Abstract

A solenoid (54) for a solenoid-actuated valve (30) includes a sintered powder metal one-piece core (64) of at least one soft magnetic material and at least one non-magnetic material integrally connected together and a movable armature (88) disposed in the core (64) and having a tapered tip to achieve a required force vs position and current characteristics.

Description

technical field [0001] The present invention relates generally to a solenoid actuated valve, and more particularly to a solenoid for a solenoid actuated valve having an inverted tapered armature and a sintered sandwich solenoid core . Background technique [0002] Conventional vehicles known in the art generally include an engine having a rotational output as rotational input into a transmission, such as an automatic transmission. The engine produces a rotational output that is selectively transferred to a transmission, which in turn transfers rotational torque to one or more wheels. The transmission varies the rotational speed and torque produced by the engine through a series of predetermined gear sets whereby changes between the gear sets enable the vehicle to travel at different vehicle speeds for a given engine speed. [0003] In addition to changing between gear sets, automatic transmissions are used to regulate engagement with the rotational output of the engine whe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06H01F7/16
CPCH01F3/10H01F7/081H01F7/13H01F7/1607H01F2003/106H01F2007/085H01F2007/086F16K31/0613F16K31/0675F16K31/0603H01F7/16F16K27/048
Inventor D·L·德兰
Owner BORGWARNER INC
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