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Proportional solenoid for automatic transmission solenoid valve

A proportional electromagnet, automatic transmission technology, applied in the direction of the electromagnet with armature, electromagnet, valve details, etc., can solve the problems of high cost, insufficient performance, difficult processing and manufacturing of proportional electromagnet, etc. The effect of excellent durability and good batch processability

Inactive Publication Date: 2016-08-03
兰溪市中元贸易有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0005] In order to solve the problems of the existing proportional electromagnets, such as high difficulty in manufacturing, high cost, and insufficient performance, the purpose of the patent of the present invention is to provide a low-cost, low-cost, and excellent performance that can be manufactured under the existing domestic manufacturing technology level. Proportional solenoid valve with proportional solenoid structure

Method used

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  • Proportional solenoid for automatic transmission solenoid valve

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with accompanying drawing.

[0024] Referring to the accompanying drawings, the present invention provides a proportional electromagnet for an automatic transmission solenoid valve. , a coil 5 and a yoke 8, the sliding bearing includes a first sliding bearing 1a and a second sliding bearing 1b, the yoke 8 is a hollow cylindrical structure, the stopper 2, the pole shoe 7 and the coil 5 are all located inside the yoke 8, the section of the iron stopper 2 and the pole piece 7 are both T-shaped and the inside is a through-hole structure, the iron stopper 2 and the pole piece 7 are arranged oppositely, and the coil 5 is set on the On the iron stopper 2 and the pole shoe 7, a bearing seat 9 is installed in the through hole of the pole shoe 7, the first sliding bearing 1a is installed on the bearing seat 9, and the armature 6 is set between the pole shoe 7 and the iron stopper 2 The stroke spacer 4 is arrang...

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Abstract

The invention relates to a proportional electromagnet for a magnetic valve of an automatic transmission. The proportional electromagnet is composed of a sliding bearing, stop iron, an ejector rod, a gasket, a coil component, an armature, pole shoes, a yoke and a bearing block, wherein the ejector rod and the armature are in clearance fit and riveted together; and the ejector rod penetrates through the sliding bearing, the stop iron, the gasket and an inner hole of the armature. The proportional electromagnet solves the problems of large manufacturing difficulty, high costs and poor performances of the existing proportional electromagnets for magnetic valves of automatic transmissions, has the advantages of small manufacturing difficulty, low cost and superior performances.

Description

technical field [0001] The patent of the present invention relates to a proportional electromagnet, especially a proportional electromagnet for automatic transmission solenoid valves. Background technique [0002] Proportional solenoid valves began to be widely used in the 1960s. It has the advantage of a good linear relationship between the output signal and the input signal, and is widely used as the core electronic control component of the automatic transmission. The world famous manufacturers of proportional solenoid valves for transmissions mainly include German companies, American companies and Japanese companies; German companies such as Bosch, Germany MSM, etc.; Japan-based companies such as Japan Aisin Corporation and Nidec Tosok Corporation. [0003] In the invention patent with the application number "CN02147183.5", the guide of the armature is generally made of a thin-walled cylindrical shape made of non-magnetic material, which is realized by cold drawing. Sin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F7/08H01F7/14F16K31/06
Inventor 王琦麟陆灿
Owner 兰溪市中元贸易有限公司
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