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Title: Sliding pressure control valve for pneumatic hammer drill

Abstract

A pneumatic device control apparatus and method comprising a ported valve slidably fitted over a feed tube of the pneumatic device, and using a compliant biasing device to constrain motion of the valve to provide asymmetric timing for extended pressurization of a power chamber and reduced pressurization of a return chamber of the pneumatic device. The pneumatic device can be a pneumatic hammer drill.

Inventors:
 [1]
  1. Albuquerque, NM
Publication Date:
Research Org.:
Sandia National Laboratories
Sponsoring Org.:
USDOE
OSTI Identifier:
1023932
Patent Number(s):
8,006,776
Application Number:
12/364,600
Assignee:
Sandia Corporation (Albuquerque, NM) SSO
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Polsky, Yarom. Sliding pressure control valve for pneumatic hammer drill. United States: N. p., 2011. Web.
Polsky, Yarom. Sliding pressure control valve for pneumatic hammer drill. United States.
Polsky, Yarom. Tue . "Sliding pressure control valve for pneumatic hammer drill". United States. https://www.osti.gov/servlets/purl/1023932.
@article{osti_1023932,
title = {Sliding pressure control valve for pneumatic hammer drill},
author = {Polsky, Yarom},
abstractNote = {A pneumatic device control apparatus and method comprising a ported valve slidably fitted over a feed tube of the pneumatic device, and using a compliant biasing device to constrain motion of the valve to provide asymmetric timing for extended pressurization of a power chamber and reduced pressurization of a return chamber of the pneumatic device. The pneumatic device can be a pneumatic hammer drill.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2011},
month = {8}
}

Patent:

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