Food waste disposer

Patent metadata

Field	Value
Publication number	US-12383909-B2
Application number	US-202217984845-A
Country	US
Kind code	B2
Filing date	Nov 10, 2022
Priority date	Dec 30, 2021
Publication date	Aug 12, 2025
Grant date	Aug 12, 2025

Abstract

Food waste disposers include a housing, a grinding apparatus mounted inside the housing and configured to grind food waste, and a storage device arranged to store ground food waste. The grinding apparatus includes a grinding case including a discharge hole to allow ground food waste to be transferred to the storage device, a stationary grinder including a plurality of stationary blades coupled to a side wall of the grinding case, a rotary body rotatably coupled to a bottom surface of the grinding case, a first blade extending from the rotary body, the first blade having a first member on a front side and a second member on a rear side with a different shape from each other, and a second blade extending from the rotary body, the second blade having a shape different from a shape of the first blade.

First claim

What is claimed is:

1. A food waste disposer comprising:
a housing;
a grinding apparatus detachably mounted inside the housing and configured to grind food waste; and
a storage case arranged below the grinding apparatus so as to store ground food waste,
wherein the grinding apparatus comprises:
a grinding case comprising a discharge hole opened to allow the ground food waste to be transferred to the storage case;
a stationary grinder comprising a plurality of stationary blades coupled to a side wall of the grinding case and provided to extend inwardly within an interior of the grinding case;
a rotary body rotatably coupled to a bottom surface of the grinding case;
a first blade extending from the rotary body to grind food waste and provided to rotate between the plurality of stationary blades, the first blade having a first member positioned on a front side with respect to a rotation direction and a second member positioned on a rear side with respect to the rotation direction, the second member having a different shape from the first member; and
a second blade extending from the rotary body and provided to rotate between the plurality of stationary blades, the second blade having a shape different than a shape of the first blade;
wherein the first blade extends from the rotary body in a curved shape along the rotation direction, and the second blade extends from the rotary body in the curved shape along a direction opposite to the rotation direction.

2. The food waste disposer of claim 1 , wherein
the first member of the first blade comprises a toothed member and the second member comprises a grinding member.

3. The food waste disposer of claim 2 , wherein
the first member of the first blade is provided to be inclined toward an end with respect to the rotation direction.

4. The food waste disposer of claim 2 , wherein
a thickness of the first member is less than or equal to a thickness of the second member with respect to a vertical direction.

5. The food waste disposer of claim 1 , wherein
the second blade comprises a blade member formed on both a front side and a rear side with respect to the rotation direction.

6. The food waste disposer of claim 1 , further comprises:
a third blade extending from the rotary body to stir food waste and provided to rotate above the plurality of stationary blades; and
a fourth blade extending from the rotary body and provided to rotate under the plurality of stationary blades to transfer food waste from the bottom surface of the grinding case to the discharge hole,
wherein a width of an upper surface of the third blade becomes smaller outwardly in a radial direction.

7. The food waste disposer of claim 6 , wherein
the fourth blade comprises a concave member recessed inward from a front side and a rear side with respect to the rotation direction.

8. The food waste disposer of claim 7 , wherein
the concave member is provided to be connected to the rotary body along a tangential direction of an outer surface of the rotary body.

9. The food waste disposer of claim 1 , wherein
the first blade and the second blade are positioned at the same height as each other.

10. The food waste disposer of claim 1 , wherein
the grinding apparatus further comprises:
a valve assembly comprising a ball valve arranged below the grinding case and configured to open and close the discharge hole, the valve assembly provided to be detached toward an outside of the housing, together with the grinding case.

11. The food waste disposer of claim 10 , wherein
the grinding apparatus further comprises a fourth blade having a recess recessed inward from a lower surface to prevent interference with the ball valve protruding toward an upper portion of the bottom surface through the discharge hole of the grinding case.

12. The food waste disposer of claim 10 , wherein
the valve assembly further comprises:
a first driving device comprising a first drive shaft and being configured to supply a driving force to the rotary body; and
a second driving device comprising a second drive shaft and being configured to supply a driving force to the ball valve,
wherein the grinding apparatus is detached from the second driving device in response to the discharge hole being closed by the ball valve.

13. The food waste disposer of claim 1 , further comprising:
a heat generator configured to heat the grinding apparatus; and
a cover device coupled to an upper portion of the housing so as to open and close the grinding apparatus, the cover device comprising a circulation fan received inside the cover device so as to circulate heat inside the grinding apparatus.

14. The food waste disposer of claim 1 , further comprising:
a cap member mounted to an upper portion of the rotary body to prevent foreign substances from being introduced into the rotary body.

15. A food waste disposer comprising:
a grinding case comprising a bottom surface and a side wall extending upward from the bottom surface and defining an interior of the grinding case and a discharge hole formed in the bottom surface;
at least one stationary grinder comprising a plurality of stationary blades coupled to the side wall of the grinding case and provided to extend inwardly within the interior of the grinding case;
a rotary body rotatably coupled to the bottom surface of the grinding case;
a first blade extending from the rotary body to grind food waste and provided to rotate between the plurality of stationary blades of the at least one stationary grinder, the first blade having a first member positioned on a front side with respect to a rotation direction and a second member positioned on a rear side with respect to the rotation direction, the second member having a different shape from the first member; and
a second blade extending from the rotary body and provided to rotate between the plurality of stationary blades, the second blade having a shape different than a shape of the first blade;
wherein the first blade extends from the rotary body in a curved shape along the rotation direction, and the second blade extends from the rotary body in the curved shape along a direction opposite to the rotation direction.

16. The food waste disposer of claim 15 , further comprising:
a third blade extending from the rotary body and arranged above each of the first blade and the second blade, relative to the bottom surface; and
a fourth blade extending from the rotary body and arranged below each of the first blade and the second blade, relative to the bottom surface.

17. The food waste disposer of claim 15 , wherein the at least one stationary grinder comprises two stationary grinders attached to the side wall of the grinding case, wherein each stationary grinder comprises a respective plurality of stationary blades.

18. The food waste disposer of claim 15 , wherein the bottom surface comprises a protrusion extending upward from the bottom surface into the interior of the grinding case.

19. The food waste disposer of claim 15 , wherein the first blade extends at a first curvature relative to the rotary body and the second blade extends at a second curvature relative to the rotary body, wherein the first curvature and the second curvature are in opposite directions.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Hwang Yongjun
• Koo Keonpyo
• Kim Kyoungmok
• Kim Daegeon
• Park Namsoo
• Seo Wonyoung
• Seo Jiho
• Lee Hyunnam

Classifications

• F26B21/204

  by using movable fan units · CPC title

• F26B21/20

  Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure · CPC title

• B02C2201/063

  for waste water or sewage · CPC title

• B02C2201/066

  for garden waste · CPC title

• B02C18/0092

  for waste water or for garbage · CPC title