Electrohydraulic control device

Details Electrohydraulic control device Electrohydraulic control device

2005-01-04

2005-01-04

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Systems

Supply and exhaust

C137S454200

Reexamination Certificate

active

06837269

ABSTRACT:
An electrohydraulic control device for use in the hydraulic systems of advancing support frames of underground mining equipment, which can be switched by means of switching plungers of electromagnets (24), and the directional control valves (3, 4) are put together from pilot control valve (14) and main control valves (3) arranged on a common axis, where by the pilot control valve (4) switches the main control valve (3) by means of a separate pressure medium supply to be found on an additional control pressure line, in which accepting borings (2) are suited for the acceptance of main control and pilot control valves (3, 4) constructed as cartridges which are plugged together.

REFERENCES:
patent: 20020069920 (2002-06-01), Reinelt et al.
patent: 32 20 867 (1983-12-01), None
patent: 296 11 573 (1996-10-01), None
patent: 196 46 611 (1998-05-01), None
patent: 0 224 242 (1987-06-01), None

Affiliated with

Also associated with

Rating

Electrohydraulic control device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electrohydraulic control device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrohydraulic control device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3426498