IP Library › Granted Patent US 12,628,725
Granted Patent B2
US 12,628,725 · App. 18/648,492 · Granted May 19, 2026

Seed germination rotating cylinder and seed germination machine

Inventors: Liwei Zhou (Shenzhen, CN); Zhengkuan Zhou (Shenzhen, CN); Wenhong Zhou (Shenzhen, CN)
Assignee: T.F.ELECTRICAL TECHNOLOGY (SHENZHEN) CO., LTD.
A01C1/02
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Quick Facts
Patent No.
US 12,628,725
App. No.
18/648,492
Granted
May 19, 2026
Kind
B2
Abstract

A seed germination rotating cylinder and a seed germination machine are provided. The seed germination rotating cylinder includes a cylinder body, a seed germination chamber is defined in the cylinder body. At least one groove is defined on an outer side surface of the cylinder body, at least one protrusion corresponding to the at least one groove is disposed on an inner wall of the seed germination chamber. At least one opening is defined on a surface of the at least one protrusion, the at least one opening is communicated with the at least one groove, a height difference is formed between a connection of the at least one protrusion and the inner wall of the seed germination chamber and an opening beginning position of the at least one opening.

Claims (28)

1 . A seed germination rotating cylinder, comprising:

a cylinder body;

a seed germination chamber being defined in the cylinder body; wherein the seed germination chamber is configured to germinate seeds therein;

a plurality of grooves being defined in the cylinder body, wherein each of the grooves is recessed from an outer surface of the cylinder body toward the chamber such that a plurality of protrusions are formed in the chamber at an inner surface of the cylinder body; wherein a plurality of openings are annularly defined in each of the protrusions at a top surface of each of the protrusions and communicated with each of the grooves; wherein a height difference is formed between a connection of each of the protrusions and the inner surface and the top surface of each of the protrusions; each of the protrusions is hollow, and a hollow portion of each of the protrusions is communicated with the plurality of openings and each of the grooves;

wherein the plurality of openings are configured to discharge gas, which is generated in the seed germination chamber of the cylinder body during seed germination, out of the cylinder body through the plurality of openings, the hollow portion, and each of the grooves sequentially and prevent plants in the chamber from entering the hollow portion through the plurality of openings, and the protrusions are configured not to receive plants;

at least one open slot is defined in an edge of an end portion of each of the protrusions, the at least one open slot penetrates a top wall of each of the protrusions and a side wall of each of the protrusions, and the at least one open slot is communicated with the hollow portion.

2 . The seed germination rotating cylinder according to claim 1 , wherein the plurality of openings comprises a plurality of first openings and a plurality of second openings, the first openings are distributed in a first ring, and the second openings are distributed in a second ring surrounding the first ring.

3 . The seed germination rotating cylinder according to claim 2 , wherein the number of the at least one open slot is more than one, each of the more than one open slot comprises a first end part and a second end part, the first end part penetrates the top wall, the second end part penetrates the side wall, and each of the more than one open slot is communicated with the hollow portion.

4 . The seed germination rotating cylinder according to claim 3 , wherein the first end part is defined between two adjacent second openings of the plurality of second openings, and is defined at a side of the first ring toward the second ring.

5 . The seed germination rotating cylinder according to claim 1 , wherein at least one gas outlet is defined in an end portion of the cylinder body, and a distance is formed between the at least one gas outlet and an edge of an end surface of the cylinder body; the distance is provided for storing water, and the distance is consistent with the height difference or greater than the height difference.

6 . The seed germination rotating cylinder according to claim 5 , wherein the number of the at least one gas outlet is more than one, and the more than one gas outlet is distributed in a ring.

7 . The seed germination rotating cylinder according to claim 1 , wherein the grooves correspond to the protrusions one-to-one to form a plurality of units, and the units are distributed along a length direction of the cylinder body.

8 . The seed germination rotating cylinder according to claim 1 , wherein each of the grooves and a respective one of the protrusions are integrally formed and processed.

9 . The seed germination rotating cylinder according to claim 1 , wherein each of the protrusions is cylindrical.

10 . A seed germination machine, comprising a seed germination rotating cylinder, wherein the seed germination rotating cylinder comprises:

a cylinder body;

a seed germination chamber being defined in the cylinder body, wherein the seed germination chamber is configured to germinate seeds therein;

a plurality of grooves being defined in the cylinder body, wherein each of the grooves is recessed from an outer surface of the cylinder body toward the chamber such that a plurality of protrusions are formed in the chamber at an inner surface of the cylinder body; wherein a plurality of openings are annularly defined in each of the protrusions at a top surface of each of the protrusions and communicated with each of the grooves; wherein a height difference is formed between a connection of each of the protrusions and the inner surface and the top surface of each of the protrusions; each of the protrusions is hollow, and a hollow portion of each of the protrusions is communicated with the plurality of openings and each of the grooves;

wherein the plurality of openings are configured to discharge gas, which is generated in the seed germination chamber of the cylinder body during seed germination, out of the cylinder body through the plurality of openings, the hollow portion, and each of the grooves sequentially and prevent plants in the chamber from entering the hollow portion through the plurality of openings, and the protrusions are configured not to receive plants;

at least one open slot is defined in an edge of an end portion of each of the protrusions, the at least one open slot penetrates a top wall of each of the protrusions and a side wall of each of the protrusions, and the at least one open slot is communicated with the hollow portion.

11 . The seed germination rotating cylinder according to claim 10 , wherein the plurality of openings comprises a plurality of first openings and a plurality of second openings, the first openings are distributed in a first ring, and the second openings are distributed in a second ring surrounding the first ring.

12 . The seed germination rotating cylinder according to claim 11 , wherein the number of the at least one open slot is more than one, each of the more than one open slot comprises a first end part and a second end part, the first end part penetrates the top wall, the second end part penetrates the side wall, and each of the more than one open slot is communicated with the hollow portion.

13 . The seed germination rotating cylinder according to claim 12 , wherein the first end part is defined between two adjacent second openings of the plurality of second openings, and is defined at a side of the first ring toward the second ring.

14 . The seed germination rotating cylinder according to claim 10 , wherein at least one gas outlet is defined in an end portion of the cylinder body, and a distance is formed between the at least one gas outlet and an edge of an end surface of the cylinder body; the distance is provided for storing water, and the distance is consistent with the height difference or greater than the height difference.

15 . The seed germination rotating cylinder according to claim 14 , wherein the number of the at least one gas outlet is more than one, the more than one gas outlet is distributed in a ring.

16 . The seed germination rotating cylinder according to claim 10 , wherein the grooves correspond to the protrusions one-to-one to form a plurality of units, and the units are distributed along a length direction of the cylinder body.

17 . The seed germination rotating cylinder according to claim 10 , wherein each of the grooves and a respective one of the protrusions are integrally formed and processed.

18 . The seed germination rotating cylinder according to claim 10 , wherein each of the protrusions is cylindrical.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 29, 2024
From: ZHOU, LIWEI; ZHOU, ZHENGKUAN; ZHOU, WENHONG
To: T.F.ELECTRICAL TECHNOLOGY (SHENZHEN) CO., LTD.
Reel/Frame 067247/0582 →
Priority Claims (1)
CN 202311243718.9 · Sep 25, 2023 · national
Continuity (1)
Related Publication 20250098564A1 · Mar 27, 2025
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