192 clutches and power-stop control – Clutches – Fluent material
Patent
1999-06-14
2000-10-03
Lorence, Richard M.
192 clutches and power-stop control
Clutches
Fluent material
192 58681, 192 58682, 192 82T, F16D 3502
Patent
active
061259810
ABSTRACT:
A temperature sensitive fluid type fan coupling apparatus is provided which can prevent "an accompanying rotation" phenomenon from being generated so as to reduce fan sound and improve fuel consumption. The fan coupling apparatus comprises a sealing device box including a cover and a case which is separated into an oil reserving chamber and a torque transmission chamber by a partition plate. A drive disc is fixed to a rotary shaft body and is disposed inside the torque transmission chamber to support the sealing device box. A circulating flow passage delivers oil from the torque transmission chamber to the oil reserving chamber. A valve member for opening and closing a supply hole communicating between the torque transmission chamber and the oil reserving chamber is provided so as to increase and reduce an effective contact area for the oil in the drive disc and torque transmission gap portion, thereby controlling a torque transmission to the side of the sealing device box driven by the rotary shaft body. Barrages for holding the oil, in the oil reserving chamber and not the torque transmission chamber, are provided on both sides of the supply hole, thereby preventing the "accompanying rotation" phenomenon in the driven side of the sealing device box due to the excessive oil.
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Iida Yoshinobu
Ito Haruyasu
Casella Anthony J.
Hespos Gerald E.
Lorence Richard M.
Porco Michael J.
Usui Kokusai Sangyo Kaisha Limited
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