CYCLONIC SURFACE CLEANING APPARATUS WITH A SPACED APART IMPINGEMENT SURFACE

• US 20100299865A1
• Filed: 08/28/2008
• Published: 12/02/2010
• Est. Priority Date: 08/29/2007
• Status: Abandoned Application

• Current Assignee: GBD Corporation (G.B.D.)
• Original Assignee: GBD Corporation (G.B.D.)
• Inventors: Conrad, Wayne Ernest
• Application Number:
  US12/675,512
• Publication Number:
  US 20100299865A1
• Time in Patent Office: Days
• US Class Current: 15/353
• CPC Class Codes: A47L 5/24 Hand-supported suction cleaners
• CPC Class Codes: A47L 9/122 flat
• CPC Class Codes: A47L 9/1608 Cyclonic chamber constructions
• CPC Class Codes: A47L 9/1625 for series flow
• CPC Class Codes: A47L 9/165 Construction of inlets
• CPC Class Codes: A47L 9/1658 Construction of outlets
• CPC Class Codes: A47L 9/1666 with filtering means
• CPC Class Codes: A47L 9/1683 Dust collecting chambers; Dust collecting receptacles
• CPC Class Codes: A47L 9/20 Means for cleaning filters
• CPC Class Codes: B29C 65/342 comprising at least a single wire, e.g. in the form of a winding
• CPC Class Codes: B29C 65/3432 comprising several wires, e.g. in the form of several independent windings B29C65/3436, B29C65/344 take precedence
• CPC Class Codes: B29C 65/3476 being metallic
• CPC Class Codes: B29C 66/1122 Single lap to lap joints, i.e. overlap joints B29C66/45, B29C66/472, B29C66/52272 take precedence
• CPC Class Codes: B29C 66/12441 being a single wall
• CPC Class Codes: B29C 66/1312 Single flange to flange joints, the parts to be joined being rigid the parts to be joined being flexible B29C66/133
• CPC Class Codes: B29C 66/244 said joint lines being non-straight, e.g. forming non-closed contours
• CPC Class Codes: B29C 66/54 Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
• CPC Class Codes: B29C 66/71 characterised by the composition of the plastics material of the parts to be joined welding bar compositions B29C65/125
• CPC Class Codes: B29C 66/73921 characterised by the materials of both parts being thermoplastics
• CPC Class Codes: B29C 66/949 characterised by specific time values or ranges
• CPC Class Codes: B29K 2023/06 : PE, i.e. polyethylene
• CPC Class Codes: B29K 2023/12 : PP, i.e. polypropylene
• CPC Class Codes: B29K 2055/02 : ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
• CPC Class Codes: B29K 2069/00 : Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
• CPC Class Codes: B29L 2031/3481 : Housings or casings incorporating or embedding electric or electronic elements
• CPC Class Codes: B29L 2031/7406 : Sponges; Cleaning equipment
• CPC Class Codes: B29L 2031/749 : Motors
• CPC Class Codes: Y10T 156/1158 : Electromagnetic radiation applied to work for delamination [e.g., microwave, uv, ir, etc.]
• CPC Class Codes: Y10T 428/17 : Three or more coplanar interfitted sections with securing means
• CPC Class Codes: Y10T 428/19 : Sheets or webs edge spliced or joined
• CPC Class Codes: Y10T 428/24488 : Differential nonuniformity at margin

Abstract

A surface cleaning apparatus comprises a cyclone having a dirt outlet with an impingement surface positioned in a dirt collection chamber and spaced up to 50 mm, preferably from 8 to 30 mm, from the dirt outlet.

Claims

1. A surface cleaning apparatus comprising:

(a) a dirty air inlet;

(b) a filtration apparatus comprising a cyclone downstream from the dirty air inlet, the cyclone having a dirt outlet;

(c) an impingement surface spaced up to 50 mm from the dirt outlet;

(d) a dirt collection chamber in communication with the dirt outlet;

(e) a suction motor; and

,

(f) a clean air outlet downstream from the suction motor.

2. The surface cleaning apparatus of claim 1 wherein the impingement surface is spaced from 8 to 30 mm from the dirt outlet.

3. The surface cleaning apparatus of claim 1 wherein the cyclone has a longitudinal axis, an opening is provided between the impingement surface and the dirt outlet and separated material travels at an angle to the longitudinal axis as it travels from the cyclone outlet to the dirt collection chamber.

4. The surface cleaning apparatus of claim 3 wherein separated material travels generally transverse to the longitudinal axis as it travels between the cyclone outlet and impingement surface.

5. The surface cleaning apparatus of claim 1 wherein the cyclone is frusto-conical.

6. The surface cleaning apparatus of claim 1 wherein the cyclone is inverted such that the dirt outlet is an upper dirt outlet.

7. The surface cleaning apparatus of claim 1 wherein the impingement surface is positioned in the dirt collection chamber and is other than a wall that defines the volume of the dirt collection chamber.

8. The surface cleaning apparatus of claim 7 as it depends from claim 6 wherein the dirt collection chamber is positioned around at least a portion of the cyclone, the filtration apparatus comprises a lid positioned over the dirt collection chamber and the cyclone, and the impingement surface comprises a portion of the lid.

9. The surface cleaning apparatus of claim 8 wherein the impingement surface comprises a plate positioned above the upper dirt outlet and below the lid.

10. The surface cleaning apparatus of claim 9 wherein the plate is suspended from the lid.

11. The surface cleaning apparatus of claim 7 wherein the dirt collection chamber has a floor and the impingement surface is spaced from the floor.

12. The surface cleaning apparatus of claim 11 wherein the dirt collection chamber is positioned below the dirt outlet.

13. The surface cleaning apparatus of claim 12 wherein the dirt outlet is in a lower portion of the cyclone.

14. The surface cleaning apparatus of claim 1 and wherein the dirt collection chamber is positioned around at least a portion of the cyclone.

15. The surface cleaning apparatus of claim 6 wherein the dirt collection chamber has an openable portion and the cyclone has an openable portion, whereby both the cyclone and the dirt collection chamber are openable such that the dirt collection chamber and the cyclone are emptyable.

16. The surface cleaning apparatus of claim 15 wherein the dirt collection chamber has a lower moveable dirt collection chamber floor, the cyclone has a lower moveable cyclone floor connected to the lower moveable dirt collection chamber floor, whereby both the cyclone floor and the dirt collection chamber floor are moveable concurrently such that the dirt collection chamber and the cyclone are concurrently emptied.

17. The surface cleaning apparatus of claim 16 wherein the dirt collection chamber floor and the cyclone floor comprise a pivoting bottom of the filtration apparatus.

18. The surface cleaning apparatus of claim 11 wherein the dirt collection chamber is removable from the surface cleaning apparatus for emptying.

19. The surface cleaning apparatus of any claim 1 wherein the cyclone has a longitudinal axis that extends generally horizontally when the surface cleaning apparatus is in use.