TORQUE CONVERTER WITH LOCKUP 3,185,273 5/1965 Smirl 192/3.3
CLUTCH UNIT 3,235,043 2/1966 Maurice el al ,.. 192/3.33
3,387,506 6/1968 Cadiou 192/3.33
Inventors: Takahiro Yamamori, Tokyo; 3,398,603 8/1968 Szodfridt et al 192/3.3
Kazuyoshi Iwanaga; Kunio Ohtsuka, 4,177,694 12/1979 Lachaize 192/3.22
Fig. I
[54] [75]
both of Yokohama, all of Japan
[73] Assignee: Nissan Motor Company, Limited, Yokohama, Japan
[21] Appl. No.: 222,151
[22] Filed: Jan. 2, 1981
Related U.S. Application Data
[63] Continuation of Ser. No. 957,610, Nov. 3, 1978. [30] Foreign Application Priority Data
Sep. 13, 1978 [JP] Japan 53-112645
[51] Int. CV F16D 33/00
[52] U.S. CI 192/3.29
[58] Field of Search 192/3.28, 3.29, 3.3,
192/3.31, 3.33, 3.22; 74/731, 732
[56] References Cited
U.S. PATENT DOCUMENTS
2,717,673 9/1955 Zeidler 192/3.21
FOREIGN PATENT DOCUMENTS
1178270 9/1964 Fed. Rep. of Germany .
1337366 8/1963 France .
894109 4/1962 United Kingdom .
932698 7/1963 United Kingdom .
963394 7/1964 United Kingdom .
Primary Examiner—George H. Krizmanich
Attorney, Agent, or Firm—Schwartz, Jeffery, Schwaab,
Mack, Blumenthal & Koch
[57] ABSTRACT
A converter fluid supply passage is situated between a transmission input shaft and a pilot sleeve shaft and a converter fluid return passage is defined between the transmission input shaft and the stationary sleeve shaft extension so that the annular space between the pump drive shaft and the transmission input shaft may be used only as a lockup control passage.
11 Claims, 4 Drawing Figures
