The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 2011
Filed:
Mar. 07, 2006
David Engerran, Arundel, GB;
David Engerran, Arundel, GB;
Edwards Limited, Crawley, West Sussex, GB;
Abstract
A trap device () for removing species from a gas stream drawn from an enclosure by a vacuum pump is described, the device () comprising a casing having an inlet () for receiving the gas stream, an outlet () for exhausting the gas stream from the casing, and first and second chambers () each for receiving the gas stream from the inlet and conveying the gas stream to the outlet; means () for selectively diverting the gas stream from the inlet to a selected one of the chambers; a first plurality of cartridges () each being removably insertable into the casing to provide a plurality of flow passages for gas passing through the first chamber; and a second plurality of cartridges () each being removably insertable into the casing to provide a plurality of flow passages for gas passing through the second chamber, each flow passage extending between an inlet and an outlet of a respective cartridge, each cartridge housing means for removing species from the gas passing therethrough as solid material collecting within the cartridge.