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EP0361394A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Protective device for a hermetic motor-driven compressor

Assignee: Mitsubishi Electric Corp
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Filing: 1989-09-26
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Granted: —
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Expires: 2009-09-26
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Abstract

Abstract A protective device for a hermetic motor-driven compressor comprises a protective device main body (5) and an insu­lating layer (6), which is made of a heat-resisting insu­lating material having a heat-resisting temperature of 155°C or higher, and entirely encloses the main body.

Inventors

  • 👤 Hidehiko Yamada
  • 👤 Shigeru Muramatsu

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-27 11:35
CPC Classifications
F; F04; F04B; F04B39/00; H; H02; H02K; H02K11/00; H02K11/20; H02K11/25; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1303; Y10T428/1307; Y10T428/31504; Y10T428/31725

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 52 words
A protective device for a hermetic motor-driven com­pressor which comprises a protective device main body (5) and an insulating layer (6) made of a heat-resist­ing insulating material, characterized in that said insulating material has a heat-resisting temperature of 155°C or higher and in that said insu­lating layer (6) encloses said main body.
Claim 2
Dependent Claim 52 words
A protective device for a hermetic motor-driven com­pressor which comprises a protective device main body (5) and an insulating layer (6) made of a heat-resist­ing insulating material, characterized in that said insulating material has a heat-resisting temperature of 155°C or higher and in that said insu­lating layer (6) encloses said main body.
Claim 3
Dependent Claim 19 words
The protective device according to claim 1, cha­racterized in that said insulating layer (6) is an aromatic polyamide sheet.
Claim 4
Dependent Claim 26 words
The protective device according to claim 1 or 2, characterized in that said insulating sheet (6) has its end portions (8a, 8b) melt-bonded by ultrasonic welding.
Claim 5
Dependent Claim 45 words
The protective device according to claim 1 or 2, characterized in that said insulating layer (6) is formed from a cylindrically shaped insu­lating sheet into a bag to receive therein said main body (5) by melt-bonding opposing end portions (8a, 8b) of said insulating sheet.

References Cited (Backward Citations)

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