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US 6,117,215 AGranted
Electro-magnetic rapper wear guide
AssigneeWestvaco Corporation
InventorsRichard Michael Erickson, Isaac Espinosa Ortiz
Life of this patent
Estimating the term…
Abstract
This invention relates to electro-magnetic rappers which are used on precipitators. Such structures of this type, generally, employ the use of a wear guide which reduces rapper liner wear.
Claims4
An improved electro-magnetic rapper, wherein said rapper is comprised of:
- an electro-magnetic rapper having a rapper casing having first and second ends;
- a piston located substantially within said casing;
- a cylindrical liner substantially surrounding said piston and located a predetermined distance away from said piston;
- a coil means located substantially along said first end of said rapper casing;
- a flange means having first and second sides located substantially at said second end of said rapper casing such that said first side of said flange means substantially abuts said second end of said rapper casing;
- and
- a flange support means rigidly attached to said flange means for supporting said rapper, wherein said improvement is comprised of,
- a polymeric wear guide means located adjacent to said second side of said flange means and rigidly attached to said flange support means.
5 more elements
Dependencies are inferred from the claim text.