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solenoid

A technology of solenoids and coils, applied in the direction of magnetic objects, electrical components, electromagnets, etc., can solve problems such as loss

Inactive Publication Date: 2017-11-17
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the above-mentioned function of restricting the intrusion of foreign matter may be lost

Method used

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  • solenoid
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Examples

Experimental program
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Effect test

no. 1 example

[0042] Figure 1A to Figure 11 A linear solenoid valve is shown comprising a linear solenoid 100 according to a first embodiment of the present invention.

[0043] The linear solenoid valve (also referred to as a spool type solenoid control valve or solenoid valve) of the present invention is installed in an oil pressure control device of an automatic transmission.

[0044] The oil pressure control device is used, for example, in a shift control operation of an automatic transmission mounted in a vehicle such as an automobile. The oil pressure control device includes an oil pump (not shown), a valve body (not shown), a plurality of linear solenoid valves, and a control unit (eg, a transmission control unit abbreviated as "TCU", not shown). The oil pump sucks oil from the oil pan and pumps the sucked oil. The valve body includes a plurality of oil passages. A linear solenoid valve is mounted to the valve body and cooperates with the oil passage of the valve body to form an o...

no. 2 example

[0192] Figure 12 A linear solenoid valve with a linear solenoid according to a second embodiment of the invention is shown.

[0193] In the following discussion, components similar to those of the first embodiment will be denoted by the same reference numerals and will not be further described for simplicity.

[0194] The linear solenoid valve (spool type solenoid control valve, solenoid valve) of the present embodiment includes a spool type control valve and a linear solenoid 100 . A linear solenoid 100 includes a coil 1, a bobbin 3, a coil lead 4, a yoke 5, a connector (two terminals 6, a retainer 7, and two clamps 8) 40, a plunger 29, and a stator core 130 (including a front side stator core portion 31, rear stator core portion 32, and reluctance portion 33).

[0195] The holder 7 includes a connector housing 46 , two flanges 47 and a reinforcing rib 48 .

[0196] Chamber portions 151 a , 151 b each including a primary terminal receiving chamber 51 and a secondary termi...

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Abstract

A clip installation seat of a holder, which is installed to an outer surface of a yoke, includes a recessed slope surface that is sloped in such a manner that an amount of recess of a radially-inner-side section of the recessed slope surface is larger than an amount of recess of a radially-outer-side section of the recessed slope surface. A clip includes an engaging hole, which is press fitted to an outer peripheral surface of a positioning projection projected from the outer surface of the yoke, and a radially-inner-side engaging portion, which resiliently contacts the outer peripheral surface of the positioning projection. The clip includes a radially-outer-side engaging portion that is configured into a form of a loop and is placed at a radially-outer-side area of the clip. The radially-outer-side engaging portion resiliently contacts the recessed slope surface.

Description

technical field [0001] The present invention relates to a solenoid comprising terminals to be connected with external mating terminals. Background technique [0002] For example, KR 20090084753A discloses a spool type control valve having a solenoid actuator (hereinafter referred to as a solenoid) 200 as shown in FIG. 13 . The solenoid 200 drives the spool 101 against the urging force of the return spring 120 toward the adjustment screw in the spool hole 103 of the valve sleeve 102 (ie, toward the opening of the spool hole 103 ), and the spool valve 101 is a spool type The valve element of the control valve. [0003] The solenoid 200 includes a coil 106 , a stator core (radially inner fixed core) 107 , a yoke (radially outer fixed core) 108 , and a plunger 109 . A coil 106 is wound around a bobbin 105 made of a synthetic resin material. The stator core 107 is configured in a cylindrical tubular form and is located on the radially inner side of the coil 106 . The yoke 108...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F7/06H01F7/121H01F7/128
CPCH01R13/73H01R13/112
Inventor 冈田圭太富田正广
Owner DENSO CORP