Hydraulic tilt and pitch control for dozer blade

Details Hydraulic tilt and pitch control for dozer blade Hydraulic tilt and pitch control for dozer blade

E - Fixed Constructions

02

F

37/23, 138/72.11

E02F 3/76 (2006.01) E02F 3/84 (2006.01) F15B 15/00 (2006.01)

Patent

CA 1120380

Abstract of the Disclosure A hydraulic control is provided for selectively effecting tilt and pitch movement of a dozer blade via selected operation of tilt and pitch control valves which are connected in parallel with each other in two conduit networks, the first being connected to a source of fluid under pressure and respective first work ports of a pair of double-acting hydraulic actuators and the second being connected to a reservoir and to respective second work ports of the actuators. A rotary flow divider is connected in the first conduit network so as to effect equal flow to and from the actuators during operation of the pitch valve and so as to prevent flow between the first work port of the actuators.

304319

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