Multi-speed hydraulic drive torque converter

Details Multi-speed hydraulic drive torque converter Multi-speed hydraulic drive torque converter

1977-08-01

1978-09-26

Scott, Samuel

Power plants

Pressure fluid source and motor

Input pump and rotary output motor system having...

74467, F16D 3900

Patent

active

041160037

ABSTRACT:
The trans-clutch torque converter of the invention includes a pair of parallel input and output shafts having pairs of interengaging input and output gears on the shafts together with pairs of idler or transfer gears positioned on the shafts between the other pairs of gears thereon and with hydraulic pressure fluid galleries being formed in the housing chamber and with the speed output of the converter being determined by the interengagement and relationship between the gears on the input and output shafts, the improvement comprising using special herringbone gears and side pressure vanes slidably positioned in the housing to move axially thereof for maintaining pressure engagement between the sides of the gears on the input and output shafts after wear thereof, and wherein the gears each have a recess formed in one side face thereof connecting to a hub opening to transmit pressure liquid to the support shaft and a pressure relief orifice therein to aid in controlling the gear interengagement and speed control action of the converter. Each gear also includes an end member made of a softer material than the remainder of the gear.

REFERENCES:
patent: 3065822 (1962-11-01), McAfee et al.
patent: 3192788 (1965-07-01), Fodrea
patent: 3968651 (1976-07-01), Walworth

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