公开(公告)号：US20090011268A1

公开(公告)日：2009-01-08

申请号：US11814100

申请日：2006-01-17

申请人： Teruo Shimizu ,  Tsuneo Maruyama ,  Hideki Narisako ,  Tadashi Hazama

发明人： Teruo Shimizu ,  Tsuneo Maruyama ,  Hideki Narisako ,  Tadashi Hazama

IPC分类号： B32B5/18 ,  B32B15/02

CPC分类号： C22C9/06 ,  B22F2998/00 ,  B22F2999/00 ,  C22C1/0425 ,  C22C1/0433 ,  C22C13/00 ,  F16C33/121 ,  Y10T428/12042 ,  Y10T428/12708 ,  Y10T428/12715 ,  Y10T428/12903 ,  B22F3/11 ,  B22F3/10 ,  B22F2207/01 ,  B22F2201/016

摘要： A bearing for a motorized fuel pump is made of a Cu—Ni based sintered alloy, composed of: 21 to 35% by mass of Ni, 5 to 12% by mass of Sn, 3 to 7% by mass of C, 0.1 to 0.8% by mass of P, and the balance of Cu and inevitable impurities. A matrix of the bearing is formed with pores with a porosity of 8 to 18%, and the P component is predominantly included at the grain boundary, and free graphite is distributed along the insides of open pores that are open to the surface and extending into the bearing. In this bearing, a Sn rich alloy layer containing equal to or more than 50% by mass of Sn is formed on the insides of the open pores and near openings of the open pores.

摘要翻译： 电动燃油泵轴承由Cu-Ni基烧结合金制成，它由以下组成：Ni：21〜35质量％，Sn：5〜12质量％，C：3〜7质量％，0.1〜 P：0.8质量％，余量由Cu和不可避免的杂质构成。 轴承的基体形成有孔隙率为8〜18％的孔，并且P成分主要包含在晶界处，游离石墨沿着开放于表面的开放孔的内部分布并延伸到 轴承。 在该轴承中，在开孔的内侧和开口部的开口部形成有含有等于或大于50质量％Sn的Sn丰富的合金层。

公开(公告)号：US07597543B2

公开(公告)日：2009-10-06

申请号：US11594112

申请日：2006-11-08

申请人： Hideki Narisako ,  Tadashi Hazama

发明人： Hideki Narisako ,  Tadashi Hazama

IPC分类号： F04D29/18 ,  F04D29/40

CPC分类号： F04D29/188

摘要： An impeller includes vane grooves arranged with respect to the rotative direction. At least the radially inner side of a back surface of each vane groove is radially outwardly inclined backwardly with respect to the rotative direction. The back surface has a radially inner end and a radially outer end, which are connected via a line segment. The line segment and a radius of the impeller define a backward inclining angle α therebetween. The back surface is inclined from a thickness center of the impeller toward each thickness-end of the impeller forwardly with respect to the rotative direction. The thickness-center and the thickness-end are connected via a line segment. The line segment and the thickness-center define a forward inclining angle β therebetween. The angle α, β satisfy the following relationships: 15°≦α≦30°; β≦60°; and 1≦β/α≦4.

摘要翻译： 叶轮包括相对于旋转方向布置的叶片槽。 至少每个叶片槽的后表面的径向内侧径向向外相对于旋转方向向后倾斜。 后表面具有通过线段连接的径向内端和径向外端。 线段和叶轮的半径在它们之间限定了向后倾斜角α。 背面相对于旋转方向向前倾斜从叶轮的厚度中心朝向叶轮的每个厚度端。 厚度中心和厚度端通过线段连接。 线段和厚度中心限定了它们之间的向前倾斜角β。 角α，β满足以下关系：15°<=α<= 30°; β<= 60°; 和1 <=β/α<= 4。

公开(公告)号：US20060120853A1

公开(公告)日：2006-06-08

申请号：US11290417

申请日：2005-12-01

申请人： Hideki Narisako ,  Tadashi Hazama

发明人： Hideki Narisako ,  Tadashi Hazama

IPC分类号： F04D5/00

CPC分类号： F04D29/188

摘要： An impeller rotates for pressurizing fluid in a pump passage. The impeller includes an inner circumferential portion and an outer circumferential portion. The outer circumferential portion has two axial end surfaces that respectively have a plurality of vane grooves arranged in a rotative direction of the outer circumferential portion. A plurality of communication holes axially penetrates one of the inner circumferential portion and the outer circumferential portion. The plurality of communication holes is displaced from the plurality of vane grooves in a radial direction of the outer circumferential portion. The plurality of communication holes is arranged substantially along the rotative direction of the outer circumferential portion at nonuniform pitches.

摘要翻译： 叶轮旋转以对泵通道中的流体加压。 叶轮包括内圆周部分和外圆周部分。 外周部具有分别具有沿外周部的旋转方向配置的多个叶片槽的两个轴向端面。 多个连通孔轴向地贯通内周部和外周部之一。 多个连通孔沿着外周部的径向从多个叶片槽移位。 多个连通孔以不均匀的间距大致沿外周部的旋转方向配置。

公开(公告)号：US07284950B2

公开(公告)日：2007-10-23

申请号：US11290417

申请日：2005-12-01

申请人： Hideki Narisako ,  Tadashi Hazama

发明人： Hideki Narisako ,  Tadashi Hazama

IPC分类号： F04D5/00

CPC分类号： F04D29/188

摘要： An impeller rotates for pressurizing fluid in a pump passage. The impeller includes an inner circumferential portion and an outer circumferential portion. The outer circumferential portion has two axial end surfaces that respectively have a plurality of vane grooves arranged in a rotative direction of the outer circumferential portion. A plurality of communication holes axially penetrates one of the inner circumferential portion and the outer circumferential portion. The plurality of communication holes is displaced from the plurality of vane grooves in a radial direction of the outer circumferential portion. The plurality of communication holes is arranged substantially along the rotative direction of the outer circumferential portion at nonuniform pitches.

摘要翻译： 叶轮旋转以对泵通道中的流体加压。 叶轮包括内圆周部分和外圆周部分。 外周部具有分别具有沿外周部的旋转方向配置的多个叶片槽的两个轴向端面。 多个连通孔轴向地贯通内周部和外周部之一。 多个连通孔沿着外周部的径向从多个叶片槽移位。 多个连通孔以不均匀的间距大致沿外周部的旋转方向配置。

公开(公告)号：US20070104567A1

公开(公告)日：2007-05-10

申请号：US11594112

申请日：2006-11-08

申请人： Hideki Narisako ,  Tadashi Hazama

发明人： Hideki Narisako ,  Tadashi Hazama

IPC分类号： F04D5/00

CPC分类号： F04D29/188

摘要： An impeller includes vane grooves arranged with respect to the rotative direction. At least the radially inner side of a back surface of each vane groove is radially outwardly inclined backwardly with respect to the rotative direction. The back surface has a radially inner end and a radially outer end, which are connected via a line segment. The line segment and a radius of the impeller define a backward inclining angle α therebetween. The back surface is inclined from a thickness center of the impeller toward each thickness-end of the impeller forwardly with respect to the rotative direction. The thickness-center and the thickness-end are connected via a line segment. The line segment and the thickness-center define a forward inclining angle β therebetween. The angle α, β satisfy the following relationships: 15°≦α≦30°; β≦60°; and 1≦β/α≦4.

摘要翻译： 叶轮包括相对于旋转方向布置的叶片槽。 至少每个叶片槽的后表面的径向内侧径向向外相对于旋转方向向后倾斜。 后表面具有通过线段连接的径向内端和径向外端。 线段和叶轮的半径在它们之间限定了向后倾斜角α。 背面相对于旋转方向向前倾斜从叶轮的厚度中心朝向叶轮的每个厚度端。 厚度中心和厚度端通过线段连接。 线段和厚度中心限定了它们之间的向前倾斜角β。 角α，β满足以下关系：15°<=α<= 30°; β<= 60°; 和1 <=β/α<= 4。

公开(公告)号：US07763363B2

公开(公告)日：2010-07-27

申请号：US11814100

申请日：2006-01-17

申请人： Teruo Shimizu ,  Tsuneo Maruyama ,  Hideki Narisako ,  Tadashi Hazama

发明人： Teruo Shimizu ,  Tsuneo Maruyama ,  Hideki Narisako ,  Tadashi Hazama

IPC分类号： B32B15/01 ,  B32B15/04 ,  B32B15/20

CPC分类号： C22C9/06 ,  B22F2998/00 ,  B22F2999/00 ,  C22C1/0425 ,  C22C1/0433 ,  C22C13/00 ,  F16C33/121 ,  Y10T428/12042 ,  Y10T428/12708 ,  Y10T428/12715 ,  Y10T428/12903 ,  B22F3/11 ,  B22F3/10 ,  B22F2207/01 ,  B22F2201/016

摘要： A bearing for a motorized fuel pump is made of a Cu—Ni based sintered alloy, composed of: 21 to 35% by mass of Ni, 5 to 12% by mass of Sn, 3 to 7% by mass of C, 0.1 to 0.8% by mass of P, and the balance of Cu and inevitable impurities. A matrix of the bearing is formed with pores with a porosity of 8 to 18%, and the P component is predominantly included at the grain boundary, and free graphite is distributed along the insides of open pores that are open to the surface and extending into the bearing. In this bearing, a Sn rich alloy layer containing equal to or more than 50% by mass of Sn is formed on the insides of the open pores and near openings of the open pores.

摘要翻译： 电动燃油泵轴承由Cu-Ni基烧结合金制成，它由以下组成：Ni：21〜35质量％，Sn：5〜12质量％，C：3〜7质量％，0.1〜 P：0.8质量％，余量由Cu和不可避免的杂质构成。 轴承的基体形成有孔隙率为8〜18％的孔，并且P成分主要包含在晶界处，游离石墨沿着开放于表面的开放孔的内部分布并延伸到 轴承。 在该轴承中，在开孔的内侧和开口部的开口部形成有含有等于或大于50质量％Sn的Sn丰富的合金层。

公开(公告)号：US20070231120A1

公开(公告)日：2007-10-04

申请号：US11727976

申请日：2007-03-29

申请人： Hideki Narisako ,  Tadashi Hazama ,  Kiyotoshi Oi ,  Yoshio Ebihara

发明人： Hideki Narisako ,  Tadashi Hazama ,  Kiyotoshi Oi ,  Yoshio Ebihara

IPC分类号： F04D5/00

CPC分类号： F04D29/188

摘要： An impeller is employed for a fuel pump and boosts a pressure of fuel by rotating the fuel in a pump passage formed in the fuel pump in a rotational direction of the impeller. The impeller includes a plurality of vane grooves formed adjacent to each other in the rotational direction of the impeller and a plurality of vanes formed adjacent to each other in the rotational direction. Each one of the plurality of vanes divides one of adjacent two of the plurality of vane grooves from the other. A difference between a maximal value and a minimum value of an adjacent vane angle is set in a range of 2.5° to 4°. A fuel pump includes a motor unit, the impeller, and a casing member. The impeller is rotated by rotation driving force of the motor unit. The casing member rotatably receives the impeller and defines the pump passage.

摘要翻译： 叶轮被用于燃料泵，并且通过在燃料泵中形成的泵通道中的燃料沿着叶轮的旋转方向旋转来提高燃料的压力。 叶轮包括在叶轮的旋转方向上彼此相邻形成的多个叶片槽和沿旋转方向彼此相邻地形成的多个叶片。 多个叶片中的每一个将多个叶片槽中相邻的两个叶片中的一个分隔开。 相邻叶片角度的最大值和最小值之间的差设定在2.5°至4°的范围内。 燃料泵包括马达单元，叶轮和壳体构件。 叶轮通过马达单元的旋转驱动力旋转。 壳体构件可旋转地接收叶轮并限定泵通道。

公开(公告)号：US08051562B2

公开(公告)日：2011-11-08

申请号：US11968517

申请日：2008-01-02

申请人： Hiromi Sakai ,  Shinji Ueda ,  Tadashi Hazama ,  Eiji Iwanari ,  Shouya Watanabe

发明人： Hiromi Sakai ,  Shinji Ueda ,  Tadashi Hazama ,  Eiji Iwanari ,  Shouya Watanabe

IPC分类号： B23P15/00

CPC分类号： F02M37/048 ,  F04D5/002 ,  F04D29/406 ,  F04D29/628 ,  F05D2260/36 ,  Y10T29/49229 ,  Y10T29/49236 ,  Y10T29/49238 ,  Y10T29/49915 ,  Y10T29/49917 ,  Y10T29/49918 ,  Y10T29/49925

摘要： A cover is inserted into a housing of a fuel pump. Then, a housing-side engaging portion of the housing, which is located at a peripheral edge of an opening of the housing, is heated with a heating means. Thereafter, the housing-side engaging portion is swaged by a punch toward the cover to fix the cover to the housing.

摘要翻译： 一个盖子插入一个燃油泵的壳体。 然后，壳体的壳体侧接合部分位于壳体的开口的周边边缘处，用加热装置加热。 此后，通过冲头将壳体侧接合部分朝向盖子模制，以将盖子固定到壳体。

公开(公告)号：US20080089776A1

公开(公告)日：2008-04-17

申请号：US11872860

申请日：2007-10-16

申请人： Tadashi Hazama ,  Eiji Iwanari ,  Kenichi Tomomatsu

发明人： Tadashi Hazama ,  Eiji Iwanari ,  Kenichi Tomomatsu

IPC分类号： F02M37/08 ,  F04D5/00

CPC分类号： F02M37/048 ,  F04D5/002 ,  F04D5/007 ,  F04D29/445 ,  F04D29/669 ,  F05B2250/503

摘要： A fuel pump includes a rotatable impeller having a plurality of blades and blade ditches on the periphery thereof, a motor section for driving the impeller, and a casing member which accommodates the impeller and has at least one fuel passage along an outer periphery of the impeller. The fuel passage communicates with the blade ditches. Moreover, a radially-inside inner surface of the fuel passage, with respect to an axis of rotation of the impeller, from a centerline on a bottom of the fuel passage to a radially inside edge of the fuel passage is formed as an approximately quadrant curved surface.

摘要翻译： 一种燃料泵，包括在其周边具有多个叶片和叶片沟槽的旋转叶轮，用于驱动叶轮的马达部分和容纳叶轮的壳体构件，并且沿着叶轮的外周具有至少一个燃料通道 。 燃料通道与叶片沟槽连通。 此外，燃料通道的径向内侧的内表面相对于叶轮的旋转轴线从燃料通道的底部的中心线到燃料通道的径向内侧边缘形成为近似象限的弯曲 表面。

公开(公告)号：US20080085199A1

公开(公告)日：2008-04-10

申请号：US11905754

申请日：2007-10-03

申请人： Tadashi Hazama ,  Kiyonori Moroto

发明人： Tadashi Hazama ,  Kiyonori Moroto

IPC分类号： F04B17/00

CPC分类号： F04D5/002 ,  F04D5/007 ,  F05B2250/503

摘要： A fuel pump includes a plurality of magnets that are disposed circumferentially on an inner surface of a housing of the fuel pump and alternately form different magnetic poles, an armature rotatably disposed inside the permanent magnets, a rotating member disposed on a rotary shaft that is connected with the armature and rotates with the rotary shaft by rotating the armature, a pump casing that accommodates and rotatably supports the rotating member, and a discharge port disposed on the pump casing so as to discharge fuel pressurized by the rotation of the rotating member. According to the present invention, an imaginary line extending straight through the discharge port in a flow direction of fuel discharging from the discharge port extends into a circumferential gap between two of said permanent magnets.

摘要翻译： 一种燃料泵，包括多个磁体，其周向设置在燃料泵的壳体的内表面上，并且交替地形成不同的磁极，可旋转地设置在永磁体内部的电枢，设置在连接到旋转轴上的旋转部件 电枢通过旋转电枢而与旋转轴一起旋转，容纳并可旋转地支撑旋转构件的泵壳体和设置在泵壳体上的排出口，以排出通过旋转构件的旋转而被加压的燃料。 根据本发明，在从排出口排出的燃料的流动方向上直线延伸通过排出口的假想线延伸到两个永磁体之间的周向间隙中。