FLOOR CLEANER
A floor cleaner including a recovery tank that receives a fluid and a suction airflow from a suction inlet and separates the suction airflow from the fluid. The recovery tank includes a top side, a bottom wall opposite the top side, a sidewall that extends from the bottom wall. The bottom wall and the sidewall at least partially define a storage volume of the recovery tank. The recovery tank further includes an inlet duct having an inlet aperture configured to direct the fluid from the inlet duct into the storage volume, and a baffle wall connected to the sidewall, the baffle wall facing toward the top side of the recovery tank. The inlet aperture is directed along an inlet direction toward the sidewall adjacent the baffle, and the inlet aperture is disposed above the baffle in a direction from the bottom wall to the top side.
The present disclosure relates to floor cleaners and more particularly to floor cleaners that dispense a fluid onto a surface and recover and store the fluid in a recovery tank.
SUMMARYIn one embodiment the disclosure provides a floor cleaner including a supply tank configured to store a fluid, a fluid distributor in fluid communication with the supply tank, the fluid distributor operable to dispense the fluid from the floor cleaner. The floor clean further includes a suction inlet and a suction source in fluid communication with the suction inlet, the suction source operable to generate a suction airflow that is configured to draw the fluid through the suction inlet. A recovery tank is in fluid communication with the suction inlet and the suction source, the recovery tank configured to receive the fluid and the suction airflow from the suction inlet and separate the suction airflow from the fluid. The recovery tank including, a top side, a bottom wall opposite the top side, a sidewall that extends from the bottom wall and defines a perimeter of the recovery tank, the bottom wall and the sidewall at least partially define a storage volume of the recovery tank. The recovery tank further includes an inlet duct having an inlet aperture configured to direct the fluid from the inlet duct into the storage volume, and a baffle wall connected to the sidewall, the baffle wall facing toward the top side of the recovery tank. The inlet aperture is directed along an inlet direction toward the sidewall adjacent the baffle, and the inlet aperture is disposed above the baffle in a direction from the bottom wall to the top side.
Other aspects of the disclosure will become apparent by consideration of the detailed description and accompanying drawings.
Before any embodiments of the disclosure are explained in detail, it is to be understood that the disclosure is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The disclosure is capable of other embodiments and of being practiced or of being carried out in various ways.
DETAILED DESCRIPTIONThe floor cleaner 10 further includes a recovery tank 20. The recovery tank 20 is in fluid communication with the suction source 18 and the suction inlet 16. The recovery tank 20 receives the fluid and the suction airflow from the suction inlet 16 and the recovery tank 20 separates the fluid from the suction airflow. The fluid is stored in the recovery tank 20 and the suction airflow exits the recovery tank and travels to the suction source 18 and subsequently out of the cleaner thought an exhaust port 19. In the illustrated embodiments, the recovery tank 20 is removably mounted to a base, such as base 15 shown in
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With continued referenced to
The float 52 includes a first portion that includes a buoyant portion 60 that floats on the fluid in the recovery tank 20. The float 52 includes a second portion that includes a closure portion 62 that covers the outlet aperture 48 in the closed position of the float 52. The closure portion 62 is moved between the open and the closed positions by the buoyant portion 60. Gravity moves the buoyant portion 60 to the opened position of the float 52 and the rising fluid in the recovery tank 20 moves the float 52 toward the closed position. In the closed position of the float 52, the closure portion 62 extends above the baffle wall 40 (i.e., between the baffle wall 40 and the top side 22 of the recovery tank 20) and the buoyant portion 60 is at least partially below the baffle wall 40 (i.e., between the baffle wall 40 and the bottom wall 24 of the recovery tank 20).
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In some embodiments, the baffle height 70 is between about 2 mm to about 80 mm greater than the maximum fill level 54. In some embodiments, the baffle height 70 is between about 10 mm to about 60 mm greater than the maximum fill level 54, and may be between about 30 mm and 60 mm greater than the maximum fill level 54 in some embodiments.
The inlet aperture 32 includes a lower inlet surface 35. The lower inlet surface 35 is positioned a distance from the bottom wall 24 greater than the baffle height 70. Accordingly, the fluid and the suction airflow discharging from the inlet aperture 32 (arrow 34) travel above the baffle wall 40 to the sidewall 26. The fluid flows to and along the baffle wall 40 to the storage volume. For higher flow applications, more distance may be provided between the lower inlet surface 35 and the baffle wall 40 to allow space for the amount of fluid to flow along the baffle wall around the discharging flow from the inlet aperture 32.
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In the embodiment illustrated in
The lid 28 may include a redirecting rib 78 (
In operation, fluid and the suction airflow are drawn through the suction inlet 16 and are directed through the opening 44 in the bottom wall 24 of the recovery tank 20 and into the inlet duct 30. Referring to
Although the disclosure has been described in detail with reference to certain embodiments, variations and modifications exist within the scope and spirit of one or more independent aspects of the disclosure as described.
Claims
1. A floor cleaner comprising:
- a supply tank configured to store a fluid;
- a fluid distributor in fluid communication with the supply tank, the fluid distributor operable to dispense the fluid from the floor cleaner;
- a suction inlet;
- a suction source in fluid communication with the suction inlet, the suction source operable to generate a suction airflow that is configured to draw the fluid through the suction inlet; and
- a recovery tank in fluid communication with the suction inlet and the suction source, the recovery tank configured to receive the fluid and the suction airflow from the suction inlet and separate the suction airflow from the fluid, the recovery tank including, a top side, a bottom wall opposite the top side, a sidewall that extends from the bottom wall and defines a perimeter of the recovery tank, the bottom wall and the sidewall at least partially define a storage volume of the recovery tank, an inlet duct having an inlet aperture configured to direct the fluid from the inlet duct into the storage volume, and a baffle wall connected to the sidewall, the baffle wall facing toward the top side of the recovery tank, wherein the inlet aperture is directed along an inlet direction toward the sidewall adjacent the baffle, and wherein the inlet aperture is disposed above the baffle in a direction from the bottom wall to the top side.
2. The floor cleaner of claim 1, wherein the sidewall includes the baffle wall such that the sidewall and the baffle wall are integrally formed as a single component.
3. The floor cleaner of claim 1, wherein the baffle wall is approximately parallel to the bottom wall.
4. The floor cleaner of claim 1, wherein the baffle wall slopes away from the sidewall.
5. The floor cleaner of claim 1, wherein the baffle wall slopes transverse to the inlet direction.
6. The floor cleaner of claim 1, wherein the baffle wall is below the inlet aperture and above the bottom wall such that the baffle wall is between the inlet aperture and the bottom wall.
7. The floor cleaner of claim 1, wherein the baffle wall is approximately perpendicular to the sidewall.
8. The floor cleaner of claim 1, wherein the inlet duct extends from the bottom wall toward the top side of the recovery tank.
9. The floor cleaner of claim 1, wherein the baffle wall is spaced a baffle height measured from the bottom wall, the baffle height is greater than a maximum fill level of the storage volume measured from the bottom wall.
10. The floor cleaner of claim 9, wherein the baffle height is greater than the maximum fill level of the storage volume measured from the bottom wall by at least 50% of the maximum fill level.
11. The floor cleaner of claim 9, wherein the baffle height is greater than the maximum fill level in a range from 2 millimeters to 80 millimeters.
12. The floor cleaner of claim 11, wherein the baffle height is greater than the maximum fill level in a range from 30 millimeters to 60 millimeters.
13. The floor cleaner of claim 1, further comprising an outlet duct including an outlet aperture configured to receive the suction airflow from the storage volume and direct the suction airflow toward the suction source.
14. The floor cleaner of claim 13, wherein the outlet duct extends inside the recovery tank from the bottom wall of the recovery tank toward the top side of the recovery tank.
15. The floor cleaner of claim 13, wherein the recovery tank includes a lid removably coupled to the sidewall, wherein the lid defines at least a portion of the top side of the recovery tank and wherein the outlet duct is disposed in the lid.
16. The floor cleaner of claim 13, wherein the recovery tank includes a lid removably coupled to the sidewall, wherein the lid includes a redirecting rib on an inner surface of the lid extending toward the bottom wall, disposed along the lid between the baffle wall and the outlet aperture.
17. The floor cleaner of claim 13, further comprising a float that closes the outlet aperture when the fluid reaches the maximum fill level.
18. The floor cleaner of claim 17, wherein the float moves along the outlet duct to close the outlet aperture.
19. The floor cleaner of claim 17, wherein the float includes a first portion and a second portion, wherein the first portion is at least partially below the baffle wall, between the baffle wall and the bottom wall, when the float is in the closed position, and the second portion extends above the baffle wall, between the baffle wall and the top side of the recovery tank, when the float is in the closed position.
20. The floor cleaner of claim 1, further comprising an inlet aperture axis that extends centrally through the inlet aperture, wherein the inlet aperture axis extends through the sidewall at a location between the top side of the recovery tank and the baffle wall.
21. The floor claim of claim 1, further comprising an inlet duct axis that extends centrally through the inlet duct along a length of the inlet duct, wherein the inlet duct axis extends through the bottom wall.
22. The floor cleaner of claim 21, further comprising an inlet aperture axis that extends centrally through the inlet aperture, wherein the inlet aperture axis extends through the sidewall at a location between the top side of the recovery tank and the baffle wall.
23. The floor cleaner of claim 22, wherein the inlet aperture axis is perpendicular to the inlet duct axis.
24. The floor cleaner of claim 1, wherein the recovery tank includes a lid removably coupled to the sidewall, wherein the lid defines at least a portion of the top side of the recovery tank and wherein the inlet aperture is adjacent the lid.
25. The floor cleaner of claim 1, wherein the baffle wall slopes in a direction away from the outlet aperture.
Type: Application
Filed: Oct 27, 2022
Publication Date: May 2, 2024
Inventors: Robert B. Lawson (Concord, NC), Rafael Davila (Kannapolis, NC)
Application Number: 18/050,320