VIBRATING TOOL
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United States of America Patent
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N/A
Issued Date -
Nov 4, 2010
app pub date -
Apr 30, 2010
filing date -
May 1, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A vibrating tool comprising a hammer and valve that oscillate axially inside a housing to produce vibrations solely in response to fluid flow through the tool at an operating flow rate. The valve is supported by a spring that resists compression until a minimum operating flow rate is achieved, and hammer is also spring-loaded. When the valve strokes down and engages the hammer, flow through the hammer is restricted. Increased fluid pressure pushes the hammer down away from the valve, resulting in a sudden decrease in pressure, allowing both the hammer and valve to rebound and create vibrational impacts. The cycle repeats continuously as long as an adequate flow rate is maintained.
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