Method for controlling a hydraulic motor and a hydraulic valve t

Details Method for controlling a hydraulic motor and a hydraulic valve t Method for controlling a hydraulic motor and a hydraulic valve t

1994-01-07

1995-08-15

Michalsky, Gerald A.

Motors: expansible chamber type

Miscellaneous

60452, 91446, 91451, 137596, 13759613, F15B 1302

Patent

active

054409675

ABSTRACT:
A method for controlling a hydraulic motor with a hydraulic valve comprising an inlet section which includes a pump and tank connection and a maneuvering section having a slide (B1) and a load signal system (L1, L2, L3). The hydraulic valve also includes two regulating constrictions (S3, S4) which can be connected to and from a motor (C), such as a hydraulic piston-cylinder device. The maneuvering slide (B1) also includes a load level detecting constriction (S2) and a load signal drain (S5), and the pump generates an idling pressure. When maneuvering the maneuver slide (B1), the load signal Ps of the load signal system is increased by a further constriction (S1) located between the pump connection and that side of the load detecting constriction (S2) that has the higher pressure during the maneuvering process.

REFERENCES:
patent: 5129229 (1992-07-01), Nakamura et al.

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