Casing for an electronic AC speed control unit

- Danfoss A/S
Description

FIG. 1 is a rear perspective view of a casing for an electronic AC speed control unit showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear elevational view thereof.

The undisclosed bottom is unornamented except for the inclusion of the feet .

Referenced Cited
U.S. Patent Documents
3671812 June 1972 Peluso et al.
3851221 November 1974 Beaulieu et al.
Other references
  • Allied Electronics, 1975 Engineering Manual & Purchasing Guide No. 750, p. 50, Series 400 Natural Convection Sinks. Parametrics Flyer, Jan. 1982, p. 1, ParaJust Y. Industrial Equipment News, Dec. 1965, p. 51, Electric Converter.
Patent History
Patent number: D287718
Type: Grant
Filed: Dec 9, 1985
Date of Patent: Jan 13, 1987
Assignee: Danfoss A/S (Nordborg)
Inventor: Jorgen J. Moeller (Sonderborg)
Primary Examiner: B. J. Bullock
Assistant Examiner: Ruth E. Takemoto
Attorney: Wayne B. Easton
Application Number: 6/806,538
Classifications
Current U.S. Class: D13/40