Patent · US Expired

Electro magnetic clutch with a rotation detector for a refrigerant compressor

US4757888A · kind A · utility

5Cited by
10References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 7, 1987
Grant dateJul 19, 1988
Priority date
Expiry dateApr 7, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16D27/14
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

There is disclosed an electromagnetic clutch having a rotation detecting device. The electromagnetic clutch has a balance weight which is disposed on the outer end surface of a hub connected to a driven shaft. The detecting device for detecting the rotation of the balance weight is located at the position which faces toward a circumferentially discontinuous part of the balance weight. The construction of the above mentioned electromagnetic clutch is very simple and easy to manufacture. Also, the rotation detecting device can be put on or removed easily.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.