Appeal 2007-2193
Application 10/816,369
said suction device, said inlet orifice of said partition coupling said
collection chamber to said suction device in said reception chamber;
an air guide funnel having an entry surface forming a part of said
partition surface;
an intervention guard element connected to the air guide funnel and
projecting in a direction toward said collection chamber; [and]
a filter bag disposed in said collection space for accumulating the
particles.
11. The device according to claim 1, further comprising at least one
filter element for purifying the air stream from said collection chamber to
said suction device, said filter element is disposed upstream of said entry
surface of said air guide funnel.
13. A vacuum cleaner, comprising:
a collection chamber for accumulating particles;
a suction device generating an air flow;
a reception chamber housing the suction device;
a partition separating the collection chamber from the reception
chamber and defining an inlet orifice receiving the air flow from the
collection chamber;
an air guide funnel connected to the partition at the inlet orifice and
extending away [from] the collection chamber to an exit orifice, the inlet
orifice having a substantially rectangular cross-section and the exit orifice
having a substantially circular cross-section; and
an intervention guard element connected to the air guide funnel and
projecting in a direction toward the collection chamber.
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