Toyota Industries Corporation

A rotating electrical machine (10) includes a rotor (20) that includes: a rotor core (21); and a plurality of permanent magnets (40) forming a magnetic pole (22). Each permanent magnet (40) has an arc shape that is convex toward an inner peripheral side of the rotor core (21), and has: a first arc surface (41) and a second arc surface (42) located on an outer peripheral side and the inner peripheral side of the rotor core (21), respectively. The permanent magnets (40) form two or more layers (S1-S3) that are arranged in a radially inward direction of the rotor core (21). The number of permanent magnets (40) per layer (S1-S3) increases by one in the radially inward direction. The permanent magnets (40) have the same shape. A distance (L1, L2) between the layers (S1-S3) adjacent to each other is smaller on the outer peripheral side than at a position distant from an outer periphery of the rotor core (21) along a circumferential width direction of each permanent magnet (40).

An estimation method of estimating wheel loads applied to a plurality of wheels (14, 24) of a vehicle (1, 1A), which includes: a sprung body (10) including a vehicle body (11) and a first wheel (14) of the wheels (14, 24); an unsprung body (20) including an axle (25) and a second wheel (24) of the wheels (14, 24); a support unit (40) for supporting the vehicle body (11) and the axle (25); an actuator (30) configured to restrict rotations of the vehicle body (11) and the axle (25) in a roll direction; and a sensor (50), includes: calculating calculated values (IFvc) based on acquired motion information (IFm) relating to motion of the vehicle (1, 1A) acquired by the sensor (50); and estimating the wheel loads of the wheels (14, 24) based on the calculated values (IFvc) and a predetermined estimation formula. The calculated values (IFvc) include accelerations at respective center-of-gravity positions of the sprung body (10) and the unsprung body (20), and roll stiffness distributions of the sprung body (10) and the unsprung body (20).

A hydraulic brake device (32, 80) for an industrial vehicle (10) includes a hydraulic pressure generator (33), a brake unit (34), a hydraulic fluid passage (35) including a first hydraulic fluid passage portion (71), and a cylinder mechanism (36, 81) having a cylinder hydraulic fluid chamber (63, 90). The cylinder mechanism (36, 81) includes a cylinder (51, 82), a cylinder cover (52), a piston (53, 83), a piston rod (54, 100, 110), and a blocking member. The piston rod (54, 100, 110) has an external screw portion (69) and an operating portion (55, 101). The cylinder cover (52) has an internal screw portion (62). With the rotation of the piston rod (54, 100, 110), the blocking member blocks the cylinder hydraulic fluid chamber (63, 90) from the first hydraulic fluid passage portion (71) and the piston (53, 83) is moved.

A fuel cell power generator (FU) includes at least one of fuel cell modules (30) having a fuel cell stack (31) from which power is supplied to a load (91) and a fuel cell controller (60) configured to control power generation by the fuel cell stack (31). The at least one of the fuel cell modules (30) is used for a co-generation system (10) that recovers waste heat from the fuel cell stack (31). The fuel cell controller (60) causes the fuel cell stack (31) to perform inefficient power generation in response to a heat output request from a power generator controller (21) in the co-generation system (10).

A luggage stowing device 1A includes a second hand luggage detection unit 29 detecting information of pieces of hand luggage 3 transported by a main conveyor 5, a stowing robot 15 stowing pieces of the hand luggage 3 transported by the main conveyor 5 with respect to two containers 2, and a stowing computation unit 33 and a stowing control unit 38 controlling the stowing robot 15 such that at least one of the order of priority of the containers 2 for stowing pieces of the hand luggage 3 and the order of stowing pieces of the hand luggage 3 in the containers 2 with respect to the order of transporting pieces of the hand luggage 3 is adjusted on the basis of the information of pieces of the hand luggage 3 detected by the second hand luggage detection unit 29.

A luggage stowing device 1A includes a second hand luggage detection unit 29 detecting information of pieces of hand luggage 3 transported by a main conveyor 5, a stowing robot 15 stowing pieces of the hand luggage 3 transported by the main conveyor 5 with respect to two containers 2, and a stowing computation unit 33 and a stowing control unit 38 controlling the stowing robot 15 such that at least one of the order of priority of the containers 2 for stowing pieces of the hand luggage 3 and the order of stowing pieces of the hand luggage 3 in the containers 2 with respect to the order of transporting pieces of the hand luggage 3 is adjusted on the basis of the information of pieces of the hand luggage 3 detected by the second hand luggage detection unit 29.

An industrial vehicle (10) includes: a vehicle body (11); a detector (52, 53, 54) configured to detect an obstacle present around the vehicle body (11); and a controller (31) configured to restrict the industrial vehicle (10) from starting to move when the obstacle detected by the detector (52, 53, 54) is present in a start restriction area (A). The detector (52, 53, 54) includes: a front side detector (53, 54) configured to detect the obstacle in front of the vehicle body (11); a rear side detector (52) configured to detect the obstacle present behind the vehicle body (11); a left side detector (53) configured to detect the obstacle present on the left side of the vehicle body (11); and a right side detector (54) configured to detect the obstacle present on the right side of the vehicle body (11). The controller (31) changes the start restriction area (A) based on a traveling direction and a steering angle of the industrial vehicle (10).

A luggage stowing device 1A includes a second hand luggage detection unit 29 detecting information of pieces of hand luggage 3 transported by a main conveyor 5, a stowing robot 15 stowing pieces of the hand luggage 3 transported by the main conveyor 5 with respect to two containers 2, and a stowing computation unit 33 and a stowing control unit 38 controlling the stowing robot 15 such that at least one of the order of priority of the containers 2 for stowing pieces of the hand luggage 3 and the order of stowing pieces of the hand luggage 3 in the containers 2 with respect to the order of transporting pieces of the hand luggage 3 is adjusted on the basis of the information of pieces of the hand luggage 3 detected by the second hand luggage detection unit 29.

A hydraulic brake system (10) for an industrial vehicle includes: a brake device (13) configured to brake a wheel; a master cylinder (12); and a master cylinder fluid passage (17, 33, 18) connecting the master cylinder (12) and the brake device (13). The hydraulic brake system (10) includes: an actuator (15); a control valve (14); an actuator fluid passage (21, 35)that extends from the actuator (15) to the master cylinder fluid passage (17, 33, 18); a first solenoid valve (34) configured to open and close the master cylinder fluid passage (17, 33, 18); a second solenoid valve (36) configured to open and close the actuator fluid passage (21, 35); a controller (28) configured to control the first solenoid valve (34) and the second solenoid valve (36); and a detection sensor (94, 95) connected to the controller (28) and configured to detect whether a braking force is required. When the detection sensor detects that the braking force is required, the controller (28) controls so that the actuator (15) is activated, the first solenoid valve (34) closes, and the second solenoid valve (36) opens.

A hydraulic brake system (10, 100, 200, 300) for an industrial vehicle includes a master cylinder (12) having a brake pedal (19), a brake device (13), and a master cylinder fluid passage. The hydraulic brake system (10, 100, 200, 300) includes a control valve (14, 101, 201, 301) disposed in the master cylinder fluid passage, an actuator (15), an actuator fluid passage, a first solenoid valve (34, 103, 203) provided in the control valve (14, 101, 201, 301), a second solenoid valve (36) provided in the control valve (14, 101, 201, 301), a controller (28) configured to control the first solenoid valve (34, 103, 203), and the second solenoid valve (36). When braking is performed during manual operation, the controller (28) controls the first solenoid valve (34, 103, 203) to open the master cylinder fluid passage, and the second solenoid valve (36) to close the actuator fluid passage. When braking is performed during automated operation, the controller (28) controls the second solenoid valve (36) to open the actuator fluid passage, and the first solenoid valve (34, 103, 203) to close the master cylinder fluid passage.