F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
188/125, 192/18
F16D 65/78 (2006.01) F16D 13/72 (2006.01) F16D 25/12 (2006.01) F16D 65/12 (2006.01) F16D 65/847 (2006.01)
Patent
CA 1215654
TITLE Rotational Control Apparatus ABSTRACT OF THE DISCLOSURE A rotational control apparatus is shown according to the teachings of the present invention in its most pre- ferred form as a brake. In the preferred embodiment, the apparatus includes an improved drive disc having an improved ventilated hub and an improved, ventilated friction disc slideably mounted thereon. The hub includes a generally cylindrical portion having axially extending cooling air bores extending therethrough and axially extending fins extending from the opposite axial ends thereof. The friction disc includes first and second, identical, interchangeable component discs interconnected together by columns projecting from the inner surface of the component discs which abut together and form radially extending fins having circumferentially aligned air passageways formed therein. Thus, air can flow through the air entry ports formed adjacent the center of the component discs radially between the component discs and also circumferen- tially through the air passageways allowing a mixing and turbulence of cooling air increasing friction disc heat trans- fer and cooling. In the preferred embodiment, the apparatus further includes a plurality of circumferentially spaced fins which interconnect the piston and the friction lining pres- sure plate and also aid in cooling. The axially extending fins of the hub direct and force air through the hub cooling air bores and between the pressure plate and piston to allow increased apparatus heat transfer and cooling.
474005
Dayen Leonid
Raines Charles D.
Schilling Hugh K.
Nexen Group Inc.
Rogers Law Office
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