Test fixture for collecting particulate material

Details Test fixture for collecting particulate material Test fixture for collecting particulate material

2006-08-03

2010-02-23

Hill, Jr., Robert J (Department: 1797)

Gas separation: apparatus

With sampling means

C055S490000, C055S495000, C055S496000, C073S028010, C073S028040, C073S028050, C073S863210

Reexamination Certificate

active

07666253

ABSTRACT:
A test fixture for collecting particulate matter carried in the exhaust gas stream of an engine has a pair of coaxially aligned mounting plates, each having a filter cartridge holder mounted thereon. One of the mounting plates is moveable with respect to the other along a predefined longitudinal axis of the test fixture between an open position, whereat a filter cartridge is easily placed or removed, and a closed position at which a filter media mounted in the filter cartridge is sealed during a prescribed test sequence. An actuator mounted on a third coaxially aligned mounting plate has an extendable rod connected to the second mounting plate to effect movement of the second mounting plate between the open an closed positions.

REFERENCES:
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patent: 5887477 (1999-03-01), Newman
patent: 5916440 (1999-06-01), Garcera et al.
patent: 6214300 (2001-04-01), Morrison

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