F - Mech Eng,Light,Heat,Weapons – 16 – N
Patent
F - Mech Eng,Light,Heat,Weapons
16
N
184/34
F16N 7/38 (2006.01) F16H 57/04 (2006.01) F16L 55/10 (2006.01) F16N 21/00 (2006.01)
Patent
CA 1253813
IMPROVED LUBRICANT DELIVERING COUPLING Abstract This invention relates to an improved lubricant delivering coupling adapted to interconnect a power transfer unit and a load having a rotary input. The coupling is comprised of a pair of concentricly desposed inner and outer hollow members. The outer member is in a torque transmitting relationship between the power transfer unit and the load. The inner hollow member is secured at both ends to an inner surface of the outer member and is adapted to receive lubricant from a lubricant source within the transfer device for delivery to and through the hollow inner member. The inner and outer members each have intermediate the respective ends thereof a shear section. Upon overloading of the outer member and the shearing failure thereof, the inner member continues to twist until rupture at the inner member shear section. The twisting reduces the inner flow area of the inner member to zero, thereby preventing the continued flow of lubricant from the power transfer device through the inner member whereby loss of lubricant in the power transfer device as a consequence of coupling failure is prevented.
487120
Riches Mckenzie & Herbert Llp
Sundstrand Corporation
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