A - Human Necessities – 01 – D
Patent
A - Human Necessities
01
D
56/115
A01D 41/12 (2006.01)
Patent
CA 1045389
ABSTRACT OF THE DISCLOSURE: The device for the upright maintenance of the body of the harvester-thresher has a pendulum that achieves the continuous variation of the speed of the bringing back movement of the body of the harvester-thresher., The pendulum conveys the angular va- riations of the body of the machine to a flow controller of rotary or linear type: the flow controller commands an adjustable valve and the latter takes a part of the flow of a pump proportional to the tilting angle of the machine. The absorbed flow passes through the adjustable valve and then through the flow controller. The other part of the flow of the pump passes through an electrically activated distributor to hydrostatic cylinders. The hydrostatic cylinders convey to the body of the machine a movement of bringing back to the upright position. The flow controller is made up of a rotary slide-valve, directly activated by the pendulum; the initial flow adjustment is achieved by means of a screw which adjusts the axial position of the rotary slide valve. The varia- tion of the flow proportional to the tilting angle of the body of the machine is achieved by varying the superposition area of some openings in a frame and in the slide valve.
235738
Antonescu Virgil
Breazu Stefan
Cimpoeas Ion
Cojocaru Iosif
Demetrescu Theodor
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