United States Patent [191
Tsai 7 [45] Jun. 5, 1984 [54] CYQLIC PHASE CHANGE COUPLING 3,881;,;gé 5/ 197; aenzlag ....................... .. :g/ 102 gg _ _ 4,10 , 8/ 97 ingar ............ .. /104 [75] IHv¢I1t0r= Lung-Wen Tsal, Troy, M1¢h- 4,286,442 9/1981 Peterson .... .. 464/102 x [73] Assignee: General Motors Corporation, Detroit’ 4,332,148 6/ 1982 Maki et al. ........................ .. 464/102 M19h- FOREIGN PATENT DOCUMENTS [21] App1- N0-= 383,472 2s<ss7 of 1913 United Kingdom .............. .. 464/104 [221 Filed: Jun. 1. 1982 Primary Examiner—John M. Jillions 51 I t_ CL; ___ __ F161) 3/04 Assistant Examiner—Danie1 P. Stodola Eszg L111. S. CL 464/102; 464/147 Attorney, Agent, 0!’ Firm—-Robert J. Outland [58] Field of Search ............. .. 464/102, l04‘,‘61;t/77314992, [57] ABSTRACP _ ’ A hybrid straight and curved guide phase change cou[55] Referemes Clted pling device in which end members rotatable on spaced U.S. PATENT DOCUMENTS _ parallel axes in opposed spaced relation are connected 1,171,347 2/1916 Morse ........................... .. 474/15s x e%‘i‘;‘t1§n‘I::$ir‘*t‘(’)“; 1,244,533 10/1917 M .... .. 464/104 X _ 1,503,035 9/1924 CS5; 454/104 X straight diametrical path with respect to one of the end 2,252,531 8/1941 Tarr ........... .. 464/ 102 members and to a curved path with respect to the other 2,404,017 7/ 1945 Wilkinson -- 454/147 X of the end members whereby a cyclic phase change or 2,626,812 1/1953 Jones ......... .. 464/102 x 1 - - - - - - d d - - f 299141 W53 DOWH9 494/WK Y1Te‘l°4i‘ZeT§‘TnZfJ§Zi‘§ZtEiiifiillliiwflii‘?§i§Z“§“l‘;Jl 2,813,409 11/1957 Wolcott .. 464/102 Y P ' 2,851,868 9/1958 Larkin 464/102 2,932,255 4/1960 Newkirch ..................... .. 464/104 X
4 Claims, 9 Drawing Figures
