Abstract: A rear protection structure is provided for a vehicle which is equipped with an engine and a rear wheel-driving motor each as a traveling-driving power source of the vehicle and in which the rear wheel-driving motor is arranged between left and right rear wheels and of the vehicle, and a fuel tank for the engine and the rear wheel-driving motor are arranged adjacent to each other in the longitudinal direction of the vehicle. A rear suspension supporting the rear wheel-driving motor has a suspension member with an octothorpe-like shape, and the rear wheel-driving motor and high-voltage lines connected to the rear wheel-driving motor are arranged within a space enclosed by the suspension member.

Abstract: An attachment structure of an electromotor, connected to rear wheels, of a vehicle, includes: a sub frame, to which the electromotor is assembled, provided at a rear portion of the vehicle, and having members extending in a longitudinal direction, and front and rear cross members extending in a width direction of the vehicle, the sub frame having a rectangular shape in a direction perpendicular to the longitudinal and width directions; a receptacle provided at a front of the sub frame; and a rear motor mount provided at a rear of the rear cross member, a position of the rear motor mount being substantially the same as that of the electromotor in the perpendicular direction, the electromotor being provided at an upper side of the rear cross member; and a connection member, to which the electromotor is fixed, being provided at a lower side of the front cross member.

Abstract: A rear protection structure is provided for a vehicle which is equipped with an engine and a rear wheel-driving motor each as a traveling-driving power source of the vehicle and in which the rear wheel-driving motor is arranged between left and right rear wheels and of the vehicle, and a fuel tank for the engine and the rear wheel-driving motor are arranged adjacent to each other in the longitudinal direction of the vehicle. A rear suspension supporting the rear wheel-driving motor has a suspension member with an octothorpe-like shape, and the rear wheel-driving motor and high-voltage lines connected to the rear wheel-driving motor are arranged within a space enclosed by the suspension member.

Abstract: An attachment structure of an electromotor, which is connected to rear wheels, of a vehicle, includes: a sub frame provided at a rear portion of the hybrid vehicle, and including at least two first members which extend in a first direction that is a longitudinal direction of the vehicle and at least two second members which extend in a second direction that is a width direction of the vehicle and which include a front member and a rear member, the sub frame having a substantially rectangular shape in a third direction perpendicular to the first direction and the second direction, the sub frame to which the electromotor is assembled, a receptacle being provided at a front side of the sub frame; a rear motor mount provided at a rear side of the rear member, a position of the rear motor mount being substantially the same as a position of the electromotor in the third direction, the electromotor being provided at an upper side of the rear member; and a connection member provided at a lower side of the front membe

Abstract: A shock absorber preferably used for an automobile aims at inhibition of noise caused by self-induced vibration. The shock absorber includes a piston, a working cylinder for housing the piston; and a rod, one end of which being attached to the piston and the other end of which projecting from the working cylinder, wherein a friction coefficient ? between the piston and the working cylinder is represented by the formula ??3h2/rl, where, r is the radius of the piston; 2h is the height of the piston; and l is the length of a portion of the rod, which portion is stored in the working cylinder when the piston is neutral.

Abstract: A dust cover receiving structure of a hydraulic shock absorber 10 is disclosed in which a cover-receiver 50 receiving an end surface of a dust cover 30 is disposed on an upper surface of a spring seat 21. The cover-receiver 50 is fitted and fixed to an engaging portion 21C provided on the spring seat 21 without holding a damper tube 11.

Abstract: A strut suspension system with dual-path top mounts is provided with a first input system and a second input system. In the first input system, an upper part of a piston rod (5a) of a shock absorber (5) arranged on a strut (4) is connected to a vehicle body (7) via an insulator (10c) when the strut suspension system is arranged on an automotive vehicle. In the second input system, an upper part of a coil spring (6) arranged on an outer circumference of the strut (4) is connected to the side of the vehicle body (7) via an upper spring seat (8c) and a bearing (9c) when the strut suspension system is arranged on the automotive vehicle.

Abstract: A shock absorber preferably used for an automobile aims at inhibition of noise caused by self-induced vibration. The shock absorber includes a piston, a working cylinder for housing the piston; and a rod one end of which is attached to the piston and the other end of which projects from the working cylinder; wherein a friction coefficient &mgr; between the piston and the working cylinder is represented by the formula &mgr;≦3h2/rl (where, r is the radius of the piston; 2h is the height of the piston; and l is the length of a portion of the rod, which portion is stored in the working cylinder when the piston is neutral).

Abstract: A dust cover receiving structure of a hydraulic shock absorber 10 is disclosed in which a cover-receiver 50 receiving an end surface of a dust cover 30 is disposed on an upper surface of a spring seat 21. The cover-receiver 50 is fitted and fixed to an engaging portion 21C provided on the spring seat 21 without holding a damper tube 11.

Abstract: A strut suspension system with dual-path top mounts is provided with a first input system and a second input system. In the first input system, an upper part of a piston rod (5a) of a shock absorber (5) arranged on a strut (4) is connected to a vehicle body (7) via an insulator (10c) when the strut suspension system is arranged on an automotive vehicle. In the second input system, an upper part of a coil spring (6) arranged on an outer circumference of the strut (4) is connected to the side of the vehicle body (7) via an upper spring seat (8c) and a bearing (9c) when the strut suspension system is arranged on the automotive vehicle.