Hydraulic chain tensioner assembly
A chain tensioning device and tensioning device technology, applied in the direction of transmission, belt/chain/gear, mechanical equipment, etc., can solve the problem of chain loosening and other problems
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[0019] Referring to the drawings, wherein like reference numerals refer to like components, FIG. 1 shows an engine 10 having a hydraulic chain tensioner assembly 12 tensioning a balancer drive chain 14 . It should be noted that although the hydraulic chain tensioner assembly 12 is applied to the balancer drive arrangement of FIG. Valve train drive. Crank sprocket 16 powered by engine 10 and rotating at engine speed drives balancer chain 14 which rotates countershaft sprockets 18A and 18B to drive a balance shaft connected thereto (balance shaft not shown). out). The arrangement of the crank sprocket 16 and balance sprockets 18A, 18B requires encapsulation of the hydraulic chain tensioner assembly 12 as shown, which means that it contacts the chain 14 in a short span. Tensioning the chain 14 over such a short span increases the noise caused by the interaction of the chain with the sprockets 16, 18A, 18B.
[0020] Referring to FIG. 2 , the hydraulic chain tensioner assembly 1...
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