Gas separation – Combined or convertible – In motor vehicle
Reexamination Certificate
2007-10-23
2007-10-23
Smith, Duane (Department: 1724)
Gas separation
Combined or convertible
In motor vehicle
C055S337000, C055S417000, C055S428000, C055S457000, C055SDIG019, C096S190000, C096S419000, C096S421000, C123S572000, C123S573000, C123S574000, C123S1960AB
Reexamination Certificate
active
10698571
ABSTRACT:
An oil separator for use in a vehicle air system includes a recycling valve for removing coalesced oil. The recycling valve may include a piston movable in a cylinder in response to a control air pressure to open the recycling valve and thus drain coalesced oil from a sump under the influence of residual air pressure in the sump. The separator may include a fixture for mounting the separator to a vehicle, including a plurality of ports extending from an inlet port for directing air into the cartridge with a combined flow area at least equal to the flow area of the inlet port. The plurality of ports preferably extend at a right angle to the direction of flow of air through the inlet port. A safety relief valve on the separator releases air when the pressure exceeds a predetermined pressure.
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PURAGUARD System Filter, Honeywell Commercial Vehicle Systems Company, Jun. 2000, USA.
Ashley Gregory R.
Fornof William P.
Hoffman Fred W.
Quinn Leonard A.
Smith Gregory C.
Bendix Commercial Vehicle Systems LLC
Calfee Halter & Griswold LLP
Pham Minh-Chau T.
Smith Duane
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