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    • 58. 发明专利
    • Improvements in hydraulic shock absorbers of the oscillatory type
    • GB298912A
    • 1929-09-26
    • GB2976828
    • 1928-10-15
    • PACKARD MOTOR CAR CO
    • A01D45/10F16F9/14
    • 298,912. Packard Motor Car Co., (Assignees of Moorhouse, A.). Oct. 15, 1927, [Convention date]. Fluid-friction vibration-dampers.- In apparatus in which the working chambers are alternately subject to higher and lower pressures, liquid leaking from the chamber during the high pressure period is collected m a reservoir and returned as liquid during the low pressure period. A body part 11, 12 having a cylindrical interior is provided with a cover 15 having an extension which forms a reservoir 22 and occupies approximately half the interior of the body part. The free space in the body is divided into two working chambers by a radial partition 28 integral with an operating shaft 29 mounted in a bearing in the body. An operating- lever 34 is secured to the shaft and packing 31 prevents leakage. A one-way valve 41 may be provided to reduce the resistance in one direction. Liquid leaking along the shaft 29 is collected in a groove 49 and returned to the working chambers through passages 50, 51, 52 in the shaft and oneway valves 54 in the radial partition or to the reservoir 22 through the passages 51, 65, 64, 63, 62, 61. Wastage from the working chambers is trade up automatically as required from the reservoir 22 which may be filled when the plug 25 is removed. A leak orifice between the working chambers on opposite sides of the radial partition 28 may be controlled by the head 48 of a screwed plug 45 adjustable from the outside. The head 48 is slightly smaller than the hole in the shaft 29 and it is disposed between passages 43, 44 which communicate with the working chambers.
    • 59. 发明专利
    • Improvements in hydrocarbon motors
    • GB168593A
    • 1922-11-23
    • GB2237621
    • 1921-08-23
    • PACKARD MOTOR CAR CO
    • F16H21/34
    • 168,593. Packard Motor Car Co., (Assignees of Vincent, J. G.). Sept. 4, 1920, [Convention date]. Connecting-rods.-In a big-end arrangement for a V-type internal-combustion engine, one connecting-rod 16 is connected directly to the crank-pin 14, while the other rod 17 is forked and is pivoted on a pin 23 clamped in the split head 22 of a bolt 21. The bolt 21 serves also to secure the cap 19 of the connecting-rod 16 at one side, two bolts 20 being employed at the other side. A machined surface on the head 22 engages a similar surface on the connecting-rod 16, and a bolt 24 passing through the head 22 and through a hole in the rod 16, clamps the head 22 and secures it to the rod 16. Lubricant is supplied to the crank-pin 14 by a bore 15 and radial passages and is led by orifices 29, 30 to the hollow interior of the pin 23 the ends of which are closed by discs. The connecting-rods may be of aluminium or aluminium alloy.