US 12,030,064 B2
Cyclone pre-separator and arrangement
Gerhard Grebing, Nurtingen (DE)
Assigned to Festool GmbH, Wendlingen (DE)
Filed by FESTOOL GMBH, Wendlingen (DE)
Filed on Mar. 17, 2022, as Appl. No. 17/697,496.
Application 17/697,496 is a division of application No. 16/497,461, granted, now 11,529,637, previously published as PCT/EP2017/058693, filed on Apr. 11, 2017.
Prior Publication US 2022/0203382 A1, Jun. 30, 2022
Int. Cl. A47L 9/16 (2006.01); A47L 7/00 (2006.01); B04C 5/185 (2006.01); B23Q 11/00 (2006.01)
CPC B04C 5/185 (2013.01) [A47L 7/0095 (2013.01); A47L 9/1691 (2013.01); B23Q 11/0046 (2013.01); B23Q 11/0071 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An arrangement comprising:
a particle collecting container;
an adapter frame; and
a cyclone pre-separator positioned on top of the particle collecting container, wherein the cyclone pre-separator comprises:
a box-shaped housing; and
a cyclone unit arranged in the housing, the cyclone unit comprising an air inlet, an air outlet, and a particle outlet arranged on an underside of the cyclone pre-separator,
wherein the housing has an air inlet hose port connected to the air inlet and an air outlet hose port connected to the air outlet, and has lower housing couplers, adapted to provide a releasable, vertically tension-proof coupling to the particle collecting container, when the cyclone pre-separator is positioned on the particle collecting container and wherein the housing has upper housing couplers, which are adapted to provide, in a state, in which a box-shaped body is stacked on the housing, a releasable, vertically tension-proof coupling to the box-shaped body, and
wherein the particle collecting container has an outer periphery with a horizontal cross-section that tapers towards a container bottom, so that the particle collecting container is able to be inter-stacked with an identical particle collecting container, and the container bottom is adapted such that the arrangement can be placed with the container bottom stably on top of the adapter frame,
wherein the arrangement further comprises a suction device, which on an upper side has the adapter frame having a container receptacle with an inner horizontal cross-section tapering towards a bottom of the receptacle, wherein the particle collecting container is inserted in the container receptacle and the air outlet hose port is connected via a hose to a suction port of the suction device, wherein the outer periphery with the horizontal cross-section of the particle collecting container that tapers towards the container bottom corresponds to the inner horizontal cross-section tapering of the container receptacle, so that the container receptacle holds the particle collecting container in a stable manner.