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us4111439a rotary seal google patents in italy

  • US4111439A - Rotary seal - Google Patents

    A rotary seal seals a large, high temperature rotary drum, such as a rotary cement kiln, from the inflow of ambient air where the drum is mounted for rotation in respect to a stationary hood, the drum having a substantially circularly cylindrical surface at one open end thereof substantially coaxial with the axis of rotation of the drum, and the hood having an opening through which the ...

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  • Google Patents

    Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

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  • US3940239A - Rotary reducing kiln seal - Google

    A seal is disclosed between a stationary hood and an end of a rotary kiln enclosed thereby to prevent entrance of atmospheric air or the exit of process gas. The seal includes a first annular seal ring on a flange to rotate with the kiln, and a second and nonrotating annular seal ring mounted on an axially movable cylinder arranged around the kiln.

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  • US4300717A - Rotary centrifuge seal - Google Patents

    An improved rotary centrifuge seal is disclosed of the type formed from a rotatable ring member (40) and a non-rotatable ring member (42) having a sealing face of each in contact to provide a dynamic seal between rotatable and stationary centrifuge elements. This improved seal is provided with means for entrapping solid particulate matter generated at areas of contact (44) and means for ...

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  • US4405137A - Metal leaf rotary seal for ... - Google

    A rotary seal seals a large, high temperature rotary drum to a stationary hood where the drum is mounted for rotation with respect to said hood. The seal is formed of a series of overlapping leaves of resilient metal disposed successively to encircle the drum surface, each leaf having an inner surface and an outer surface and a mounting end and a sealing end, with the mounting end affixed to ...

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  • US5383672A - Seal structure for rotary kiln - Google

    An improved sealing structure for a rotary kiln utilized a leaf riding band attached to a truing flange on the kiln's rotating hopper using a plurality of clamps connected to a radial flange on the leaf riding band. The clamps hold the truing flange and radial in abutting sealing relationship without the need for bolts passing through the truing ring.

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  • US3532330A - Seal and trommel for a rotary kiln -

    SEAL AND TROMMEL FOR A ROTARY KILN Filed Dec. 20, 1 968 3 Sheets-Sheet 2 nw /v ron WILLARD 5. SWA/VSO/V ATTORNEY mv m mm mm wm FTI'ILI Oct 6, 1970 w, s, SWANSQN 3,532,330 . SEAL AND TROMMEL FOR A ROTARY -KILN Filed Dec. 20, 1968 3 Sheets-Sheet 5 ooooooo o0 /76 I22 I66 //6 Q INVENTOR w LARD s.

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  • EPO - Searching for patents

    2020-8-14 · Technical information. We provide access to the largest single source of technical information in the world: our databases containing millions of patent documents. This allows you to see what already exists, find out about technical aspects of your competitors’ work or spot trends in technology. Technical information.

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