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Electromagnetic coupling device and assembly method thereof

An electromagnetic coupling and ring-shaped technology, applied in the direction of electromagnets, magnetic drive clutches, clutches, etc., can solve the problem of increasing the size of the plate 105

Inactive Publication Date: 2006-08-16
SANDEN CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even, in the known electromagnetic coupling device A, a plurality of hooks 105a, 105b are formed in the plate 105, which increases the size of the plate 105

Method used

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  • Electromagnetic coupling device and assembly method thereof
  • Electromagnetic coupling device and assembly method thereof
  • Electromagnetic coupling device and assembly method thereof

Examples

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Embodiment Construction

[0024] 4-7 show the electromagnetic coupling device used in the electromagnetic clutch according to the first embodiment of the present invention. The electromagnetic coupling device B comprises a coil 1 consisting of an electric wire. The coil 1 is basically covered by an annular resin case 2 . The annular resin case 2 is composed of a pair of annular portions 2a, 2b each having an annular groove (not shown). The annular resin case 2 is formed by bonding the end openings of the annular grooves of the annular portions 2a, 2b to each other.

[0025] The connector 3 includes a case 3a and a cover 3b. The case 3a has a box shape with a bottom. The case 3 a is integrally formed with the closed end face of the annular portion 2 a of the annular resin case 2 . First and second ends (not shown) of the coil 1 are accommodated and fixed by a support portion (not shown) of the case 3a.

[0026] The annular box 4 includes an annular groove 4b formed at the open end, and an opening 4...

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PUM

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Abstract

An electromagnetic coupling apparatus includes a ring case, a coil and a connector. The ring case has an annular groove. The coil is an electrical wire and is disposed in the annular groove of the ring case. An opening is formed through the ring case in its closed end surface. The connector is disposed on the closed end surface of the ring case and covers the opening. Each of a first end and a second end of the coil are connected to one of a pair of lead wires, respectively, of an electric circuit via one of a pair of contacts, respectively in the connector. The connector has a housing supporting the first and the second ends of the coil and the contacts and a cap closing an end opening of the housing. The coil is covered substantially by an annular resin case, and the housing is formed integrally with the annular resin case.

Description

technical field [0001] The invention relates to an electromagnetic coupling device, such as an electromagnetic clutch used to control the power transmission from an automobile engine to a refrigeration compressor of an automobile air-conditioning system. In particular, the invention relates to connections to connectors in electromagnetic coupling devices. Background technique [0002] FIG. 1 shows a known compressor 110 for an automotive air conditioning system. The compressor 110 includes an electromagnetic clutch 109 . The electromagnetic clutch 109 can selectively connect or disconnect the driving shaft of the compressor 110 and the driving source. [0003] The electromagnetic clutch 109 includes an electromagnetic coupling device A. The electromagnetic coupling device A includes a ring box 104, a coil assembly 100, and a connector 103 (as shown in FIGS. 2 and 3). The coil assembly 100 is inserted into the annular groove 104 b of the annular case 104 . The bottom of ...

Claims

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Application Information

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IPC IPC(8): F16D27/14F16D27/10H01F7/06
CPCF16D27/14
Inventor 藤生英明
Owner SANDEN CORP
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