Pressure intensifier for fluids, particularly for hydraulic liquids
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United States of America Patent
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-
Oct 2, 2001
Grant Date -
N/A
app pub date -
Aug 6, 1997
filing date -
Aug 17, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pressure intensifier for fluids, particularly for hydraulic liquids, includes a piston/cylinder arrangement with a low pressure side provided with a low pressure connection and a high pressure side provided with a low pressure connection and a supply connection, as well as an intensifier piston constructed as a double diameter piston arranged between the low pressure side and the high pressure side. The pressure intensifier further includes a valve slide member which alternatingly connects the low pressure connection to a pressure source and a negative pressure source, wherein the control valve is connected through a control line to the piston/cylinder arrangement, so that the pressure in the control line acts on a first side of the valve slide member. The control valve is configured such that a constant force acts on a second side of the valve slide member.
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