| 摘要 |
An endless loop transporter for a linear pocket feeder especially for metering powdered coal from a reservoir at atmospheric pressure to a supply duct to a gas turbine compressor at a substantially higher pressure, the transporter including a flexible wire core, a plurality of primary discs loosely received on the core, a plurality of small spacer rings tightly received on the core in compression between the primary discs to form with the discs a plurality of closely spaced transport annuli, and a plurality of secondary discs substituted for a corresponding number of primary discs at uniform intervals along the transporter. The secondary discs carry seal rings which slidably seal against the surface of a tube between the reservoir and the supply duct to form an outside pressure seal between the areas of high and low pressure.
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