Patent · US Expired

Plural fan installation for a cooling system for a motor vehicle, with a control unit, for controlling plural fan motors, mounted within one motor housing

US6840743B2 · kind B2 · utility

19Cited by
17References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 2002
Grant dateJan 11, 2005
Priority date
Expiry dateJun 25, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04D25/166
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a fan installation for a cooling system of a motor vehicle, comprising at least two fans which respectively have an electric fan motor arranged in a separate housing and a fan wheel which can be driven by the fan motor. The fan installation also comprises a control unit for operating the fan motors. The invention provides for an improved fan installation with a simple and cost-effective design, which is achieved by arranging the control unit in the housing of one of the fans for operating both fan motors.

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