Hand carriable surface cleaning apparatus

• US 10,080,472 B2
• Filed: 02/23/2016
• Issued: 09/25/2018
• Est. Priority Date: 03/12/2010
• Status: Active Grant

• Current Assignee: Omachron Intellectual Property Inc.
• Original Assignee: Omachron Intellectual Property Inc.
• Inventors: Conrad, Wayne Ernest
• Primary Examiner(s): Koehler, Christopher M
• Assistant Examiner(s): CRANDALL, JOEL DILLON
• Application Number:
  US15/051,272
• Publication Number:
  US 20160213211A1
• Time in Patent Office: 945 Days
• CPC Class Codes: A47L 5/225 Convertible suction cleaners, i.e. convertible between different types thereof, e.g. from upright suction cleaners to sledge-type suction cleaners
• CPC Class Codes: A47L 5/24 Hand-supported suction cleaners
• CPC Class Codes: A47L 9/122 flat
• CPC Class Codes: A47L 9/16 Arrangement or disposition of cyclones or other devices with centrifugal action
• CPC Class Codes: A47L 9/1608 Cyclonic chamber constructions
• CPC Class Codes: A47L 9/1683 Dust collecting chambers; Dust collecting receptacles
• CPC Class Codes: A47L 9/22 Mountings for motor fan assemblies

Abstract

A hand vacuum cleaner comprises an air flow passage extending from a dirty air inlet to a clean air outlet. A suction motor is positioned in the air flow path. At least one air treatment member, which is optionally a cyclone chamber, is positioned in the air flow path. A pre-motor filter is positioned in a pre-motor filter housing having an openable cover and the air treatment member air outlet axis extends through the pre-motor filter housing.

Claims

1. A hand vacuum cleaner having a front end, a rear end, and comprising:

(a) a main housing;

(b) a dirty fluid inlet;

(c) a cyclone bin assembly comprising a cyclone chamber downstream of the dirty fluid inlet, the cyclone chamber comprising a first end, a second end, a cyclone axis, a cyclone air inlet and a cyclone air outlet wherein the cyclone air outlet is located at the second end;

(d) a pre-motor filter comprising an upstream side and a downstream side, the pre-motor filter is positioned in a pre-motor filter housing having an openable cover, the cyclone axis extends through the pre-motor filter housing;

(e) a suction motor positioned in the main housing and located downstream of the pre-motor filter and rearward of the cyclone bin assembly;

(f) an air flow path extending from the pre-motor filter to the suction motor;

(g) a clean air outlet downstream of the suction motor; and

,

(h) a handle connected to the hand vacuum cleaner at first and second locations, wherein the first location is at a position of the suction motor in the main housing and a first handle portion is connected at the first location, wherein a projection of the first handle portion extends through the suction motor,

wherein the pre-motor filter housing is openable without moving the handle with respect to the cyclone chamber, and

wherein the pre-motor filter housing cover is openable while the cyclone bin assembly is in fluid flow communication with the suction motor.

2. The hand vacuum cleaner of claim 1 wherein the suction motor comprises a fan and a motor and an upstream side of the fan is positioned proximate the cyclone inlet.

3. The hand vacuum cleaner of claim 1 wherein the downstream side of the pre-motor filter is spaced further from the cyclone chamber than the upstream side of the pre-motor filter.

4. The hand vacuum cleaner of claim 3 further comprising a downstream header on the downstream side of the pre-motor filter and the downstream header is opened when the openable cover is opened.

5. The hand vacuum cleaner of claim 1 wherein the upstream side of the pre-motor filter is spaced further from the cyclone chamber than the downstream side of the pre-motor filter.

6. The hand vacuum cleaner of claim 5 further comprising a conduit that is in flow communication with the air outlet of the cyclone chamber and extends through the pre-motor filter.

7. The hand vacuum cleaner of claim 5 further comprising an upstream header on the upstream side of the pre-motor filter and the upstream header is opened when the openable cover is opened.

8. The hand vacuum cleaner of claim 1 wherein each of the upstream and downstream sides of the pre-motor filter has a front end positioned proximate the front end and extending rearwardly, the pre-motor filter is positioned axially outwardly from the second end of the cyclone chamber and downstream of the cyclone chamber, the cyclone air outlet is positioned at a location spaced from the front end of the pre-motor filter.

9. The hand vacuum cleaner of claim 1 wherein the pre-motor filter is positioned axially outwardly from the second end of the cyclone chamber and downstream of the cyclone chamber, the pre-motor filter overlies at least a portion of the second end of the cyclone chamber.

10. The hand vacuum cleaner of claim 1 wherein the suction motor has a suction motor axis and when the hand vacuum cleaner is carried by the handle, the suction motor axis extends generally horizontally.

11. The hand vacuum cleaner of claim 10 wherein when the hand vacuum cleaner is carried by the handle, the cyclone axis extends generally horizontally.

12. The hand vacuum cleaner of claim 1 wherein when the hand vacuum cleaner is carried by the handle, the cyclone axis extends generally horizontally.

13. The hand vacuum cleaner of claim 1 wherein the pre-motor filter comprises a physical filter media.

14. A hand vacuum cleaner having a front end, a rear end and comprising:

(a) a main housing;

(b) a dirty fluid inlet;

(c) a cyclone bin assembly comprising a cyclone chamber downstream of the dirty fluid inlet, the cyclone chamber comprising a first end, a second end, a cyclone air inlet, a cyclone axis, and a cyclone air outlet that is located at the second end;

(d) a pre-motor filter comprising an upstream side and a downstream side, the pre-motor filter is positioned in a pre-motor filter housing having an openable cover;

(e) a suction motor positioned in the main housing and located downstream of the pre-motor filter and rearward of the cyclone bin assembly;

(f) an air flow path extending from the pre-motor filter to the suction motor;

(g) a clean air outlet downstream of the suction motor; and

,

(h) a handle connected to the hand vacuum cleaner at first and second locations wherein the first location is at a position of the suction motor in the main housing, the handle has a first handle portion provided at the first location, a projection of the first handle portion extends through the suction motor, and the pre-motor filter housing is openable without moving the handle with respect to the cyclone chamber;

wherein the pre-motor filter housing cover is openable while the cyclone chamber is in fluid flow communication with the suction motor, and

wherein the first and second locations are provided other than on the openable pre-motor filter housing cover.

15. The hand vacuum cleaner of claim 14 wherein the suction motor comprises a fan and a motor and an upstream side of the fan is positioned proximate the cyclone air inlet.

16. The hand vacuum cleaner of claim 14 wherein the downstream side of the pre-motor filter is spaced further from the cyclone chamber than the upstream side of the pre-motor filter.

17. The hand vacuum cleaner of claim 14 further comprising a downstream header on the downstream side of the pre-motor filter and the downstream header is opened when the openable cover is opened.

18. The hand vacuum cleaner of claim 14 wherein the upstream side of the pre-motor filter is spaced further from the cyclone chamber than the downstream side of the pre-motor filter.

19. The hand vacuum cleaner of claim 18 further comprising a conduit that is in flow communication with the cyclone air outlet and extends through the pre-motor filter.

20. The hand vacuum cleaner of claim 18 further comprising an upstream header on the upstream side of the pre-motor filter and the upstream header is opened when the openable cover is opened.

21. The hand vacuum cleaner of claim 14 wherein each of the upstream and downstream sides of the pre-motor filter has a front end positioned proximate the front end and extending rearwardly, the pre-motor filter is positioned axially outwardly from the second end of the cyclone chamber and downstream of the cyclone chamber, the cyclone air outlet is positioned at a location spaced from the front end of the pre-motor filter.

22. The hand vacuum cleaner of claim 14 wherein the suction motor has a suction motor axis and when the hand vacuum cleaner is carried by the handle, the suction motor axis extends generally horizontally.

23. The hand vacuum cleaner of claim 22 wherein when the hand vacuum cleaner is carried by the handle, the cyclone axis extends generally horizontally.

24. The hand vacuum cleaner of claim 14 wherein when the hand vacuum cleaner is carried by the handle, the cyclone axis extends generally horizontally.

25. The hand vacuum cleaner of claim 14 wherein the pre-motor filter comprises a physical filter media.