Aerodynamic drag reduction device for vehicles

- Aerovironment Inc.
Description

FIG. 1 is a perspective view of an aerodynamic drag reduction device for vehicles showing our new design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a right end elevational view of FIG. 1, the left end being a mirror image thereof;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is an enlarged cross sectional view thereof taken on line 5--5 of FIG. 2;

FIG. 6 is an enlarged cross sectional view thereof taken on line 6--6 of FIG. 2;

FIG. 7 is a bottom plan view of FIG. 1;

FIG. 8 is a perspective view of an aerodynamic drag reduction device for vehicles showing a second embodiment of our new design;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a right end elevational view of FIG. 8, the left end being a mirror image thereof;

FIG. 11 is a top plan view of FIG. 8, the bottom being a mirror image thereof;

FIG. 12 is an enlarged cross sectional view thereof taken on lines 12--12 of FIG. 9; and

FIG. 13 is an enlarged cross sectional view thereof taken on lines 13--13 of FIG. 9.

Referenced Cited
U.S. Patent Documents
2514695 July 1950 Dempsey
2863695 December 1958 Stamm
3348873 October 1967 Saunders
3415566 December 1968 Kerrigan
3934922 January 27, 1976 MacCready, Jr. et al.
Other references
  • Commercial Car Journal, Sept. 1973, p. 111, Airvane Cowl, bottom right side of page.
Patent History
Patent number: D243450
Type: Grant
Filed: Jul 17, 1975
Date of Patent: Feb 22, 1977
Assignee: Aerovironment Inc. (Pasadena, CA)
Inventors: Paul B. MacCready, Jr. (Pasadena, CA), Peter B. S. Lissaman (Pasadena, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: James M. Gandy
Attorney: William W. Haefliger
Application Number: 5/596,658
Classifications
Current U.S. Class: Deflector Or Fender (D12/181)
International Classification: D1216;