Abstract: Provided is a rotary electric machine that is able to suppress vibration noise of the rotary electric machine caused by an out-of-plane deformation. The rotary electric machine includes a stator including a frame being an annular member, and a plurality of split cores arranged in an annular shape and fitted to and held by a radially inner portion of the frame, wherein the frame is formed such that an inner diameter of each of both end portions thereof is smaller than an inner diameter of an axial middle portion thereof, and fitting fastening force between the frame and each split core is set to be greater at both the end portions than at the axial middle portion.

Abstract: Provided is a rotary electric machine that is able to suppress vibration noise of the rotary electric machine caused by an out-of-plane deformation. The rotary electric machine includes a stator including a frame being an annular member, and a plurality of split cores arranged in an annular shape and fitted to and held by a radially inner portion of the frame, wherein the frame is formed such that an inner diameter of each of both end portions thereof is smaller than an inner diameter of an axial middle portion thereof, and fitting fastening force between the frame and each split core is set to be greater at both the end portions than at the axial middle portion.

Abstract: In a process of assembling a rotating machine, a sun gear 26 which is fixed to an end portion of a rotor shaft 3, and which meshes with a planet gear 31 is configured integrally with a one-way clutch 18 which is disposed inside a carrier 34, and which transmits a rotating force from a pulley 17 to the rotor shaft 3 via the sun gear 26.

Abstract: In a process of assembling a rotating machine, a sun gear 26 which is fixed to an end portion of a rotor shaft 3, and which meshes with a planet gear 31 is configured integrally with a one-way clutch 18 which is disposed inside a carrier 34, and which transmits a rotating force from a pulley 17 to the rotor shaft 3 via the sun gear 26.

Abstract: An automotive AC dynamo-electric machine is capable of providing a sufficient rotational output for starting an engine by running a rotor at high speed in a motor operation mode for starting the engine, thus obviating the need for increasing a size thereof. In the motor operation mode, an electromagnetic clutch follower connects to an electromagnetic clutch main body and also engages a cylindrical member to brake the cylindrical member. An internal gear portion provides a fixed element, and torque of a rotor is transmitted to a power transmission device via a rotor shaft, a sun gear, a planetary gear, and a carrier.

Abstract: A high-pressure fuel pump device which can facilitate the assembly of a high-pressure pump and a high-pressure regulator by standardizing a pump body or a valve housing. The pump body of the high-pressure pump has a high-pressure valve connection portion on the exterior side including a high-pressure passage which is used to connect the high-pressure regulator, the valve housing of the high-pressure regulator has a high-pressure pump connection portion on the exterior side including a high-pressure passage which is used to connect the high-pressure pump, and the high-pressure valve connection portion and the high-pressure pump connection portion are connected to each other to assemble the high-pressure pump and the high-pressure regulator together.

Abstract: A fuel supply system for a direct injection gasoline engine can be used in a variable fuel pressure system without using a large pulsation absorber and, as a result, is inexpensive and can be easily reduced in size. The fuel supply system for a direct injection gasoline engine includes a single-cylinder high-pressure pump, a resonator for suppressing the pressure pulsation of high-pressure fuel supplied from the high-pressure fuel pump, and a high-pressure variable regulator for variably changing the pressure of the high-pressure fuel. The fuel-supply system directly injects the high-pressure fuel into the cylinders of the engine through injectors.

Abstract: A filter for a piston type high-pressure fuel pump is not clogged from freezing even under a hostile condition. The filter is provided in a fuel intake route (26) of a piston type high-pressure fuel pump, and it has many square openings. The length of one side of each opening ranges from 50 &mgr;m to 200 &mgr;m.

Abstract: A high pressure fuel injection pump includes: a casing; a pump body arranged in the casing, the pump body having a piston and a sleeve reciprocating the piston therein; and a high pressure damper arranged in the casing and communicating with a discharge passage side of the pump body. The pump body and the high pressure damper are coaxially arranged in the casing.

Abstract: A cylinder injection high-pressure fuel pump permits reduction in size and cost thereof and it is also capable of securely absorbing high-frequency pulsations. The cylinder injection high-pressure fuel pump (200) has: a casing (1) in which an inlet passage (2) for taking fuel in and a discharge passage (35) for discharging the fuel are formed; a cylinder (30) formed in the casing (1); a fuel pressurizing chamber (32) formed in a part of the cylinder (30); and a plunger (31) disposed in the cylinder (30) such that it may reciprocate therein. As the plunger (31) reciprocates, the fuel is taken into the fuel pressurizing chamber (32) through the inlet passage (2) and pressurized therein, then the pressurized fuel is discharged through the discharge passage (35) and forcibly fed into a fuel injector of a cylinder injection type engine.

Abstract: A cylinder injection high-pressure fuel pump prevents the pulsations of fuel generated by a high-pressure fuel pump from spreading to a low-pressure pipe connected to a low pressure end. The cylinder injection high-pressure fuel pump has: a casing (1) in which an inlet passage (2) for taking fuel in and a discharge passage (35) for draining the fuel are formed; a cylinder (30) formed in the casing (1); a fuel pressurizing chamber (32) formed in a part of the cylinder (30); and a plunger (31) disposed in the cylinder (30) such that is may reciprocate therein. As the plunger (31) reciprocates, the fuel is taken into the fuel pressurizing chamber (32) through the inlet passage (2)and pressurized therein, then the pressurized fuel is discharged through the discharge passage (35) and forcibly fed into a fuel injector of a cylinder injection type engine. The inlet passage (2) is equipped with a check valve (70).

Abstract: A high-pressure fuel supply pump with high performance is capable of securely preventing a cylinder section from seizing up and also permits improved sealing performance to minimize the chance of fuel leakage. The high-pressure fuel supply pump has: a casing (48) having a cylindrical cavity (48a); a sleeve (40) which has a cylinder section (40a) and a fixing section (40c), one end thereof closer to the fixing section (40c) being abutted against the bottom of the cavity (48a); and a piston (53) which is disposed in the cylinder section (40a). The high-pressure fuel supply pump takes in fuel through an intake passage (36) by the reciprocation of the piston (53) into a fuel pressurizing chamber (52) to pressurize it, then discharges the pressurized fuel through a discharge passage (37) to forcibly feed it into a fuel injector of a cylinder injection engine.

Abstract: A resonator device for a high-pressure fuel pump, comprising a casing having a fuel passage formed therein, a cover arranged to the casing, and a cap attached between the casing and the cover, the cap providing a fuel passage chamber together with the fuel passage formed in the casing and a volume chamber together with the cover, the cap having an orifice formed therein to communicate between the volume chamber and the fuel passage chamber, wherein the cap has an outer diameter on a side of the fuel passage chamber set smaller than an outer diameter on a side of the volume chamber.

Abstract: A variable-discharge high pressure pump capable of facilitating the manufacturing and providing sufficient lubrication. The pump comprises a cam shaft provided with a cam surface by which a tappet displaces in accordance with the cam surface, a plunger connected to the tappet to reciprocate in accordance with the reciprocation of the tappet and accommodated in a cylindrical cylinder. Also included are a cylinder head having a contact surface brought into contact with one end surface of the cylinder. The cylinder head has a small-diameter recess portion made in the contact surface to be coupled to the cylinder and constitutes a pump chamber in conjunction with a head portion of the plunger.

Abstract: A high-pressure fuel-feed pump comprising: a pump body a locking member screwed to the pump body; a cylinder arranged between the locking member and the pump body, the cylinder including a fixing portion for receiving a compression force in a longitudinal direction when the locking member is screwed to the pump body, and a sliding portion continuous with the fixing portion and extending in the longitudinal direction; a plunger reciprocapable in the sliding portion of the cylinder; and a driving member for driving the plunger; wherein the fixing portion of the cylinder has a slit formed therein.

Abstract: In a high-pressure fuel pump, a bellows chamber communicates with a fuel tank. A volume chamber having a predetermined volume is arranged in a return passage which returns a fuel stayed in the bellows chamber to the fuel tank. The fuel which has stayed in a region in the return passage can be flowed into the volume chamber to be prevented from flowing back to the bellows chamber.

Abstract: A starter apparatus comprises a mounting arrangement for an engine 16, an overhang type front housing 21, and a metal flange member 22 for mounting a starter main body. A sealing ring 23 and accommodating groove 22c are provided in the cast iron flange member, to avoid any weakening groove in the aluminum front housing. An excess number of screw holes 21a, 22b and 16a are provided in the front housing, the flange member and the engine to enable the mounting angle of the starter apparatus to be adapted to different engine requirements.

Abstract: A fuel injector system permits easier control of opening and closing a spill control solenoid valve of a high pressure supply pump. An electronic control unit holds the spill control solenoid valve fully closed or opened for the entire period of each stroke, during which delivery of fuel is possible, of a pump chamber. It adjusts the number of delivery cycles according to engine load, thereby controlling the pressure of fuel in the common rail to a desired pressure level.

Abstract: A low-cost permanent magnet dynamo-electric machine which can prevent an occurrence of a chip in a permanent magnet and is superior in the ease of fabricating the machine. This machine has an elastic catching member consisting of a ring-like portion and a plurality of protruding pieces axially projected from this ring-like portion. This machine further has a yoke, onto the inner circumferential surface of which a plurality of auxiliary poles are welded at an isotropic angular pitch. Further, in this machine, each of permanent magnets has a side surface brought into abutting engagement with the corresponding auxiliary pole. Moreover, the protruding pieces of the elastic catching member are forced into a space between the other side surface of each of the permanent magnets and the adjoining auxiliary pole, so that the plurality of the permanent magnets surround an armature.

Abstract: A planetary gear reduction mechanism permitting easy mounting of a plate that separates a gear reduction section from a motor section. A flange portion 20 that is integrally formed with an output shaft rotation axis 11 is provided on its rear side a ring of support pins 21 having an open-ended cylinder shape and circumferentially equally spaced in a circle. A plate 22 has on its front side of the flange portion 22a a ring of projections 22b circumferentially equally spaced, and the projections 22b are engaged with the support pins 21. With planetary gears 7 attached onto the support pins 21, the plate 22 is mounted by press-fit inserting the projections 22b into the openings of the support pins 21.