Retaining device for an electric motor

US6076795A · kind A · utility

Assignee

• Robert Bosch GmbH · DE

Inventors

• Wolfgang Scheidel · Laufenburg (Baden), DE
• Peter Froehlich · Schwanau, DE
• Christof Bernauer · Enzklösterle, DE
• Thomas Bertolini · Diersheim, DE
• Christoph Eitel · Achern, DE
• Josef Foerstera · Bühl, DE
• Peter Nolting · Bühl, DE
• Reuben Agnon · Sasbach, DE
• Otto Brass · Laufenburg (Baden), DE
• Alfred E. Maier · Chippewa, US

Key dates

• Filing date: Feb 5, 1999
• Grant date: Jun 20, 2000
• Expiry date: Feb 5, 2019

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16F15/073
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

In known retaining devices for electric motors, rotationally flexible retaining elements on the order of leaf springs are provided between a receiving housing and the electric motor and serve to decouple noise of the electric motor. The novel retaining device for an electric motor includes retaining elements that extend axially between a receiving housing and the motor housing. These retaining elements enable low-frequency decoupling below the frequencies to be decoupled; on the occurrence of natural resonance when the electric motor is turned on and off or there are shocks from outside, the torsional motion of the retaining elements is limited by stop elements. The retaining device is especially well suited to electric motors of blowers.