公开(公告)号：US20230002864A1

公开(公告)日：2023-01-05

申请号：US17780493

申请日：2020-03-26

Applicant: BYD COMPANY LIMITED

Inventor： Qiang GUO ,  Mengde WANG ,  Wei AN

IPC: C22C21/02 ,  C22F1/043 ,  C22C1/02

Abstract: An aluminum alloy and a preparation method thereof are provided. In percentage by mass, the aluminum alloy includes: 8-11% of Si, 2-3% of Cu, 0.7-1.1% of Mg, 0.7-1.5% of Mn, 0.01-0.015% of Sr, 0.01-0.015% of Cr, 0-0.4% of Fe, 0.02-0.1% of Ti, 0.01-0.02% of Ga, 0.004-0.02% of B, 0-2% of Zn, and the balance of Al and less than 0.1% of other elements.

公开(公告)号：US20220195563A1

公开(公告)日：2022-06-23

申请号：US17600267

申请日：2020-03-26

Applicant: BYD COMPANY LIMITED

Inventor： Yunchun LI ,  Qiang GUO ,  Youping REN ,  Yongliang XIE

IPC: C22C21/08 ,  C22C1/02 ,  C22F1/047 ,  B22D21/00 ,  B22D21/04

Abstract: A die-cast aluminum alloy and a preparation method and use thereof are disclosed. Based on the total mass of the die-cast aluminum alloy, the die-cast aluminum alloy includes: 4-9 wt % of Mg; 1.6-2.8 wt % of Si; 1.1-2 wt % of Zn; wt % of Mn; 0.1-0.3 wt % of Ti; 0.009-0.05 wt % of Be; the balance of Al; and less than 0.2 wt % of inevitable impurities.

公开(公告)号：US20200157659A1

公开(公告)日：2020-05-21

申请号：US16627882

申请日：2018-07-02

Applicant: BYD COMPANY LIMITED

Inventor： Qiang GUO ,  Mengde WANG ,  Wei AN

IPC: C22C9/05 ,  C22C1/02

Abstract: The disclosure relates to a Cu-based microcrystal alloy and a preparation method thereof. Through being measured in percentage by mass, the Cu-based microcrystal alloy provided by the disclosure includes 20 to 30 percent of Mn, 0.01 to 10 percent of Al, 5 to 10 percent of Ni, 0.3 to 1.5 percent of Ti, 0 to 1.5 percent of Zr, 0.05 to 2 percent of Si and 45 to 74.64 percent of Cu.

公开(公告)号：US20180087505A1

公开(公告)日：2018-03-29

申请号：US15809698

申请日：2017-11-10

Applicant: BYD COMPANY LIMITED

Inventor： Anqing ZHANG ,  Liyu ZHANG ,  Xiaofeng LU ,  Qiang GUO

IPC: F04C2/10 ,  F04C2/08 ,  F04C15/00

CPC classification number: F04C2/101 ,  B66F9/075 ,  F04C2/084 ,  F04C15/0007 ,  F04C15/0019 ,  F04C15/0026 ,  F04C15/0088 ,  F04C2240/809

Abstract: The present disclosure provides a forklift, an internal gear pump, and an axial compensation component thereof. The axial compensation component for the internal gear pump is configured to be sandwiched between a pump cover of the internal gear pump and a gear pair of the internal gear pump, and the axial compensation component includes: a floating side plate; and a floating sleeve fixed at a side of the floating side plate far away from the gear pair, in which a part of the floating sleeve is configured to extend into an oil storage tank of the pump cover, the oil storage tank is configured to be in communication with a high-pressure oil area of the internal gear pump, and the floating side plate is configured to press tightly against the gear pair under an oil pressure in the oil storage tank.

公开(公告)号：US20160245313A1

公开(公告)日：2016-08-25

申请号：US15146691

申请日：2016-05-04

Applicant: BYD COMPANY LIMITED

Inventor： Lei ZHOU ,  Qiang GUO

IPC: F15B15/14 ,  B66F9/22

CPC classification number: F15B15/149 ,  B66F9/22 ,  F15B11/15 ,  F15B2211/7725

Abstract: A forklift, a hydraulic cylinder assembly (100) and a hydraulic device thereof are provided. The hydraulic cylinder assembly (100) includes a cylinder (1) having first, second oil inlets (151, 152) and first, second oil outlets (153, 154) therein; a cylinder liner (2) disposed within the cylinder (1) and being moveable between first and second positions, and defining a first oil port (21) and a second oil port (22) therein; a piston (31) disposed within the cylinder liner (2) and being moveable between a third position and a fourth position; a first oil chamber (41) and a second oil chamber (42) are defined by the cylinder (1), the cylinder liner (2) and the piston (31), the first oil chamber (41) is communicated with the first oil port (21), and the second oil chamber (42) is communicated with the second oil port (22).

Abstract translation: 提供了一种叉车，液压缸组件（100）及其液压装置。 液压缸组件（100）包括在其中具有第一，第二进油口（151,152）和第一，第二出油口（153,154）的气缸（1） 设置在所述气缸（1）内并可在第一和第二位置之间移动并且在其中限定第一油口（21）和第二油口（22）的气缸套（2） 设置在气缸套（2）内并可在第三位置和第四位置之间移动的活塞（31） 第一油室（41）和第二油室（42）由气缸（1），气缸套（2）和活塞（31）构成，第一油室（41）与第一油 （21），第二油室（42）与第二油口（22）连通。

公开(公告)号：US20240230055A1

公开(公告)日：2024-07-11

申请号：US18614844

申请日：2024-03-25

Applicant: BYD COMPANY LIMITED

Inventor： Liang ZHU ,  Qiang GUO ,  Danhua WEN ,  Bin FANG ,  Siquan ZHANG

IPC: F21S45/48 ,  F21S45/49 ,  F21W107/10 ,  F21Y115/10

CPC classification number: F21S45/48 ,  F21S45/49 ,  F21W2107/10 ,  F21Y2115/10

Abstract: A heat spreader and an illumination device including the heat spreader are disclosed. The heat spreader includes a first substrate and multiple first heat dissipation fins, the multiple first heat dissipation fins are arranged side by side on the first substrate at intervals in a first preset direction, and the heat spreader meets constraints of the following Relational expression 1: N∈{L/[δ+9], L/[δ+9]+2} and Relational expression 2: H∈{[(δ1+δ2)/2−1.2]/tan 2θ, [(δ1+δ2)/2+1.2]/tan 2θ}. L represents a length of the first substrate in the first preset direction, represents a weighted average thickness of the multiple first heat dissipation fins, N represents a distribution number of the first heat dissipation fins, δ1 represents a maximum thickness of the first heat dissipation fin, δ2 represents a minimum thickness of the first heat dissipation fin, θ represents a draft angle of the first heat dissipation fin, and H represents a distribution height of the first heat dissipation fin.

公开(公告)号：US20210364023A1

公开(公告)日：2021-11-25

申请号：US16464617

申请日：2017-10-25

Applicant: BYD COMPANY LIMITED

Inventor： Qiang GUO ,  Weiguo LI ,  Danhua WEN

IPC: F16B7/04

Abstract: A connecting assembly includes: a connecting pipe, an inner wall of at least one end of the connecting pipe being provided with a pre-embedded nut, and the nut being coaxial with the connecting pipe; a connecting plate, the connecting plate being provided with a fixing hole; and a fastener, the fastener penetrating through the fixing hole and being in threaded fit with the nut. The connecting pipe is a light alloy component, and the connecting plate is a steel component. The connecting pipe is the light alloy component, the inner wall of at least one end of the connecting pipe is provided with the pre-embedded nut, and the fastener sequentially penetrates through the fixing hole on the connecting plate of a steel material and is in threaded fit with the nut at one end of the connecting pipe.

公开(公告)号：US20210108290A1

公开(公告)日：2021-04-15

申请号：US16463426

申请日：2017-10-25

Applicant: BYD COMPANY LIMITED

Inventor： Qiang GUO ,  Yunchun LI ,  Chunmeng ZHANG ,  Yongliang XIE

IPC: C22C21/02

Abstract: The present disclosure discloses a heat-conductive aluminum alloy and application thereof. The heat-conductive aluminum alloy contains alloying elements, unavoidable impurities and the balance of an aluminum element. Based on the total weight of the heat-conductive aluminum alloy, the alloying elements include: 5.0 to 11.0% by weight of Si, 0.4 to 1.0% by weight of Fe, 0.2 to 1.0% by weight of Mg, less than 0.1% by weight of Zn, less than 0.1% by weight of Mn, less than 0.1% by weight of Sr and less than 0.1% by weight of Cu. The heat-conductive aluminum alloy prepared by the present disclosure has a tensile strength of not less than 250 MPa, a yield strength of not less than 150 MPa, an elongation of not less than 3.5%, and a thermal conductivity of not less than 150 W/(m·K).

公开(公告)号：US20210054481A1

公开(公告)日：2021-02-25

申请号：US16960080

申请日：2018-12-24

Applicant: BYD COMPANY LIMITED

Inventor： Qing GONG ,  Qiang GUO ,  Mengde WANG ,  Wei AN

IPC: C22C9/05 ,  C22C30/02 ,  C22C1/02 ,  B22D17/00

Abstract: The present disclosure relates to a copper based microcrystalline alloy and a preparation method thereof, and an electronic product. In percentage by weight and based on the total amount of the copper based microcrystalline alloy, the copper based microcrystalline alloy includes: 30-60 wt % of Cu; 25-40 wt % of Mn; 4-6 wt % of Al; 10-17 wt % of Ni; 0.01-10 wt % of Si; and 0.001-0.03% of Be.

公开(公告)号：US20190390305A1

公开(公告)日：2019-12-26

申请号：US16465321

申请日：2017-11-16

Applicant: BYD COMPANY LIMITED

Inventor： Yongxi JIAN ,  Chunmeng ZHANG ,  Qiang GUO

IPC: C22C21/02 ,  B22D21/00 ,  B22D17/00

Abstract: The present disclosure provides a semi-solid die-casting aluminum alloy and a method for preparing a semi-solid die-casting aluminum alloy casting. The semi-solid die-casting aluminum alloy contains alloying elements, inevitable impurities and the balance of aluminum element. Based on the total weight of the semi-solid die-casting aluminum alloy, the alloying elements include: 7.5 to 9.5 wt % of Si, 3.5 to 4.8 wt % of Cu, 0.5 to 0.75 wt % of Mn, 0.01 to 0.5 wt % of Ti and 0.01 to 0.35 wt % of rare earth element.