Hydraulic system for vehicle mounted snowplow blade

Details Hydraulic system for vehicle mounted snowplow blade Hydraulic system for vehicle mounted snowplow blade

1975-12-31

1977-06-14

Eickholt, E. H.

Excavating

Peat excavators

172801, 172805, E01H 500, E02F 376

Patent

active

040288200

ABSTRACT:
A hydraulic system for a vehicle mounted snowplow blade capable of lifting, lowering, and angling the blade right or left has a single 4-way valve controlling power flow to the lift and angling cylinders. Power flow to and return flow from the angle cylinders is controlled through the 4-way valve. Power flow to the lift cylinder is controlled through the 4-way valve and return flow from the lift cylinder to the reservoir is controlled through a separate two-way valve. Both valves are electrically operated by means of solenoids connected directly to the valve body.

REFERENCES:
patent: 2766536 (1956-10-01), Perkins
patent: 2792650 (1957-05-01), Kenyon
patent: 3201878 (1965-08-01), Markwardt
patent: 3307275 (1967-03-01), Simi
patent: 3539022 (1970-11-01), Berg
patent: 3640005 (1972-02-01), Chiarolanza
patent: 3706144 (1972-12-01), Miceli

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