Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
77 words
Cyclonic separating apparatus comprising a cyclone for effecting cyclonic
separation and a tangential inlet for supplying fluid to the interior of the cyclone, the
tangential inlet having at least two points of entry into the interior of the cyclone,
wherein each point of entry consists of a longitudinal slot located in the cyclone for
directing fluid into the cyclone in a tangential manner and wherein each slot has a vane
for directing fluid through the respective slot.
Claim 2
Dependent Claim
25 words
Cyclonic separating apparatus as claimed in claim 1, wherein the tangential inlet
has at least six points of entry into the interior of the cyclone.
Claim 3
Dependent Claim
25 words
Cyclonic separating apparatus as claimed in claim 2, wherein the tangential inlet
has ten or more points of entry into the interior of the cyclone.
Claim 4
Dependent Claim
31 words
Cyclonic separating apparatus as claimed in any one of the preceding claims,
wherein the cyclone has a longitudinal axis and the points of entry are equiangularly
spaced about the longitudinal axis.
Claim 5
Dependent Claim
17 words
Cyclonic separating apparatus as claimed in any one of the preceding claims,
wherein each vane is arcuate.
Claim 6
Dependent Claim
27 words
Cyclonic separating apparatus as claimed in any one of the preceding claims,
wherein the effective combined cross-sectional area of the slots is at least 500mm 2 .
Claim 7
Dependent Claim
24 words
Cyclonic separating apparatus as claimed in claim 6, wherein the combined
cross-sectional area of the slots is between 500mm 2 and 1000mm 2 .
Claim 8
Dependent Claim
17 words
Cyclonic separating apparatus as claimed in any one of the preceding claims,
wherein the cyclone is frusto-conical.
Claim 9
Dependent Claim
23 words
Cyclonic separating apparatus as claimed in any one of the preceding claims,
further comprising a second cyclone located upstream of the tangential inlet.
Claim 10
Dependent Claim
18 words
Cyclonic separating apparatus substantially as hereinbefore described with
reference to Figures 2 and 3 of the accompanying drawings.
Claim 11
Dependent Claim
16 words
A vacuum cleaner comprising cyclonic separating apparatus as claimed in any
one of the preceding claims.