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Class Information
Number: 60/487
Name: Power plants > Pressure fluid source and motor > Input pump and rotary output motor system having displacement varying type of direction or speed selector
Description: Apparatus comprising a pump feeding a rotary motor, either the pump or motor including externally settable internal structure by which the amount of motive fluid moved therethrough on each cycle or revolution may be selected or by which the direction of flow therethrough may be reversed.










Sub-classes under this class:

Class Number Class Name Patents
60/490 Both motor and pump have displacement adjustment means 88
60/489 Having valve means controlling flow between pump and motor 169
60/488 Including auxiliary system feed pump 166


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8689551 Hydrostatic transaxle Apr. 8, 2014
8646264 Cooling system and a transmission system having said cooling system integrated therewith Feb. 11, 2014
8646266 Hydraulic output drive shaft generator Feb. 11, 2014
8635867 Hydrostatic transmission Jan. 28, 2014
8601805 Power generating apparatus of renewable energy type Dec. 10, 2013
8534060 Drive device Sep. 17, 2013
8517138 Hydraulic motor unit and hydraulic four-wheel-drive working vehicle Aug. 27, 2013
8484963 Hydrostatic transmission by-pass mechanism Jul. 16, 2013
8468819 Pump and engine configuration Jun. 25, 2013
8448431 Hydraulic circuit adapted for coupling motors May. 28, 2013
8418452 Hydrostatic transaxle Apr. 16, 2013
8387755 Lubrication system and method of control Mar. 5, 2013
8381517 Hydraulic drive apparatus Feb. 26, 2013
8359853 Drive apparatus having a gear reduction Jan. 29, 2013
8327639 Zero turn drive apparatus Dec. 11, 2012
8312715 Hydraulic output drive shaft generator Nov. 20, 2012
8291702 Hydrostatic transmission Oct. 23, 2012
8261543 Working vehicle with HST Sep. 11, 2012
8250862 Vehicle Aug. 28, 2012
8245509 Zero turn transaxle Aug. 21, 2012
8220257 Axle driving apparatus for a zero turn radius vehicle Jul. 17, 2012
8215110 Drive apparatus Jul. 10, 2012
8215430 Wheel end with integrated motor assembly Jul. 10, 2012
8205539 Two bolt adjustable centering system Jun. 26, 2012
8196399 Hydraulic pump and motor module for use in a vehicle Jun. 12, 2012
8112991 Hydrostatic transmission Feb. 14, 2012
8109747 Drive system having a variable output gerotor pump Feb. 7, 2012
8100204 Mounting of hydrostatic transmission for riding lawn mower Jan. 24, 2012
8074451 Electric motor actuation of a hydrostatic pump Dec. 13, 2011
8056333 Pump and engine configuration Nov. 15, 2011
8046992 Axle driving apparatus Nov. 1, 2011
8028776 Integrated hydrostatic transmission for left and right wheel drive Oct. 4, 2011
8001777 Axle driving apparatus Aug. 23, 2011
7926266 Hydraulic drive apparatus Apr. 19, 2011
7921643 Hydrostatic transaxle Apr. 12, 2011
7908850 Actuator assembly Mar. 22, 2011
7900447 Zero turn drive apparatus Mar. 8, 2011
7886534 Integrated hydrostatic transmission assembly Feb. 15, 2011
7866152 Hydrostatic transaxle Jan. 11, 2011
7856820 Axle driving apparatus Dec. 28, 2010
7854117 Center section for hydraulic transmission Dec. 21, 2010
7841176 Zero turn transaxle Nov. 30, 2010
7793496 Infinitely variable transmission hydraulic hybrid for on and off highway vehicles Sep. 14, 2010
7690198 Integrated hystat having single input and independent output Apr. 6, 2010
7677038 Pump unit Mar. 16, 2010
7654083 Axle driving apparatus for a zero turn radius vehicle Feb. 2, 2010
7647770 Hydraulically driven working vehicle and hydraulic transaxle Jan. 19, 2010
7647769 Hydraulic transaxle for garden care vehicle Jan. 19, 2010
7637101 Hydraulic power transmission device and work vehicle Dec. 29, 2009
7621125 Axle driving system Nov. 24, 2009

1 2 3 4 5 6 7 8 9 10










 
 
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