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Patent Number

201037

Application Date

July 16, 1877

Issue Date

March 5, 1878

Publication Date

3-5-1878

Country of Publication

United States

Description

Among the advantages attained by my invention may be mentioned the great economy of power by the utilization of the expansive force of the steam and adaption of the power to the load, the perfect control of the car by the duplex action of the governing mechanism, also the permanent locking of the car or platform in position at any reduction of the sustaining force below a given pressure.

Keywords

Hydraulic elevator, elevators, hydraulic

Disciplines

Engineering | Mechanical Engineering

Language

English

Format

application/pdf

Type

article

Improvement in Hydraulic Elevators


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