公开(公告)号：US4778357A

公开(公告)日：1988-10-18

申请号：US87952

申请日：1987-08-13

申请人： Takatoshi Arai ,  Michio Idei

发明人： Takatoshi Arai ,  Michio Idei

IPC分类号： F02M37/08 ,  F04B17/04

CPC分类号： F02M37/08 ,  F04B17/046

摘要： In an electromagnetic pump, the inner end of an outlet pipe fixed in a pump housing extends for a predetermined length inside a sleeve housing a plunger to form a pump delivery pulsation absorption chamber around the outlet pipe. The inner end opening of this pipe is selectively closed by a control valve serving as a guide member for slidably guiding a valve body of a delivery valve along the axial direction. The fuel leakage prevention control valve and the pulsation absorption chamber are simply and optimally formed with a single construction.

摘要翻译： 在电磁泵中，固定在泵壳体中的出口管的内端在容纳柱塞的套筒内延伸预定长度，以在出口管周围形成泵输送脉动吸收室。 该管的内端开口被用作导向部件的控制阀选择性地闭合，用于沿轴向方向可滑动地引导输送阀的阀体。 燃油泄漏防止控制阀和脉动吸收室通过单一结构简单而最佳地形成。

公开(公告)号：US4643653A

公开(公告)日：1987-02-17

申请号：US782285

申请日：1985-09-30

申请人： Mitusuke Masaka ,  Takatoshi Arai ,  Hideo Iwabuchi ,  Michio Idei

发明人： Mitusuke Masaka ,  Takatoshi Arai ,  Hideo Iwabuchi ,  Michio Idei

IPC分类号： F02M37/08 ,  F04B17/04

CPC分类号： F04B17/046 ,  F02M37/08 ,  F01M2001/0223 ,  F02M2037/085

摘要： An electromagnetic pump has a pump housing. The pump housing consists of a cup-like housing body with an outlet cylindrical portion at the center thereof and a lid member having an inlet cylindrical portion at the center thereof. The lid member is fixed to the cup-like housing body. The pump also includes a nonmagnetic sleeve member, a magnetic plunger slidably fitted in the nonmagnetic sleeve member, a return spring for biasing the plunger to a delivery side, inlet and outlet pipes, a coil bobbin arranged around the sleeve member, a transistor assembly consisting of a transistor and a heat sink, a printed circuit board, a holder mounted above the printed circuit board, a leaf spring arranged between the housing body and the holder. A plurality of studs extend on the outer side surface of the flange of the coil bobbin on which the transistor assembly is mounted and on an inner side surface of the holder. The transistor assembly, the printed circuit board and the holder are sequentially stacked through the studs with respect to the coil bobbin and are biased by the leaf spring toward the lid member.

摘要翻译： 电磁泵具有泵壳体。 泵壳体由杯形壳体构成，其中心具有出口圆筒部分，盖部件在其中心具有入口圆筒部分。 盖构件固定在杯状壳体上。 泵还包括非磁性套筒构件，可滑动地装配在非磁性套筒构件中的磁性柱塞，用于将柱塞偏压到输出侧的复位弹簧，入口和出口管，布置在套筒构件周围的线圈筒管， 晶体管和散热器，印刷电路板，安装在印刷电路板上方的保持器，布置在壳体和保持器之间的板簧。 多个螺柱在其上安装有晶体管组件的线圈架的凸缘的外侧表面上延伸，并且在保持器的内侧表面上延伸。 晶体管组件，印刷电路板和保持器相对于线圈架顺序地通过螺柱堆叠，并被片簧朝向盖构件偏置。

公开(公告)号：US4778354A

公开(公告)日：1988-10-18

申请号：US913130

申请日：1986-09-29

申请人： Michio Idei

发明人： Michio Idei

IPC分类号： F02M37/08 ,  F04D13/08 ,  H02K1/17 ,  H02K5/12 ,  H02K5/14 ,  H02K23/04 ,  F04B17/00

CPC分类号： F02M37/08 ,  F04D13/086 ,  H02K1/17 ,  H02K5/12 ,  H02K5/148 ,  H02K23/04

摘要： A motor type fuel pump includes an armature housing made of a substantially cylindrical plastic member whose upper end is closed, and a pump chamber housing accommodating a impeller rotated by the armature and defining a pump chamber. The armature housing is adapted to accommodate motor components including an armature, a commutator, a cylindrical stator device consisting of a permanent magnet and a yoke. The armature housing has a plurality of ribs formed at predetermined angular intervals on an inner surface of the armature housing and extending along the longitudinal direction of the armature housing. The plurality of ribs are fitted on the yoke of the stator device. Fuel is supplied through a plurality of arcuated grooves which are defined by the outer surface of the yoke, the inner wall surface of the armature housing, and the ribs.

摘要翻译： 电动机型燃料泵包括由上端封闭的基本上圆柱形的塑料构件构成的电枢壳体和容纳由电枢旋转并限定泵室的叶轮的泵室壳体。 电枢壳体适于容纳电动机部件，包括电枢，换向器，由永久磁铁和轭铁组成的圆柱形定子装置。 衔铁壳体具有多个肋，其以预定的角度间隔形成在电枢壳体的内表面上并且沿电枢壳体的纵向方向延伸。 多个肋被安装在定子装置的轭上。 通过由轭的外表面，电枢壳体的内壁表面和肋构成的多个弧形槽供给燃料。