F - Mech Eng,Light,Heat,Weapons – 01 – P
Patent
F - Mech Eng,Light,Heat,Weapons
01
P
F01P 7/04 (2006.01) F16D 25/0635 (2006.01) F16D 25/08 (2006.01) F16D 25/10 (2006.01)
Patent
CA 2074717
rotational control apparatus in the form of fan clutches (C) are disclosed including a first, fric- tion disc portion (12) splined on a hub (20) in turn rotatably mounted on a shaft (24). The friction disc portion (12) is reciprocal between a first position ro- tatably related to the facing (52) of a sheave (50) ro- tatably mounted on the hub (20) and a second posi- tion rotatably independent of the sheave (50). In a preferred form, a second friction disc paction (212) is splined on the hub (20) and is reciprocal between a first position rotatably related to the facing (252) of a second sheave (250) rotatably mounted on the hub (20) and rotating at a different rotational speed than sheave (50). By the selective engagement of the fric- tion disc portions (12, 212), the hub (20) will be rotat- ed on the shaft (24) at either the rotational speed of the first sheave (50) or the second sheave (250). In a further preferred form, a second, friction-disc por- tion (112) is rotatably mounted on a reciprocal piston (100) and rotatable relative to the hub (20). Planetary gears (114) are rotated intermediate and in gearing relation between a sun gear (96) fixed on the shaft (24) and an annulus (124) fixed to the hub (20). The second, friction disc por- tion (112) is reciprocal between a first position rotatabty related to a facing (152) secured to the sheave (50) opposite to the facing (52). By the selective engagement of the friction disc portions (12, 112), the hub (20) will be rotated on the shaft (24) at either the rotational speed of the sheave (50) or at a rotational speed different than the sheave (50) and'specifically at a rotational speed de- pendent on the ratio of the planetary drive.
Horton Inc.
Ridout & Maybee Llp
LandOfFree
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