Honda Giken Kogyo Kabushiki Kaisha

Kiyoshi Katahira

Tsutomu Hayashi

Yoshihiro Nakajima

Mitsuru Saito

Nobuyuki Yakigaya

Hiroyoshi Taniguchi

Hiroyuki Niikura

Tetsuya Ichikawa

Kazuhiko Nakamura

Yoshihiro Yoshida

Tsutomu Takahashi

Goroei Wakatsuki

Takushi Matsuto

Yasunobu Kawakami

Makoto Uda

Kenji Sakakibara

Toshifumi Ito

Yoshinobu Tateshima

Noritaka Koga

Hirotaka Kumata

Takeshi Nakazawa

Katsumi Yamazaki

Shinkichi Miyazawa

Toshihiro Nishikawa

Shinichi Nakamura

Jun Hashimoto

Yoshinobu Takeshima

Atuo Hojo

Shuichi Wakita

A condenser is provided that makes a liquid droplet of a liquid phase medium drop effectively, the liquid phase medium residing in a lower end opening of a medium passage of the condenser, thereby preventing any degradation in the performance of the condenser. In the condenser, vapor, which is supplied to a cooling pipe () connected to cooling fins (), is cooled, condensed into water, and recovered in a water-collecting tray () provided beneath the cooling pipe (), and a needle-shaped member () provided so as to face the lower end opening of the cooling pipe () ruptures the droplet that, due to surface tension, resides in the lower end opening of the cooling pipe () and makes it drop into the water-collecting tray (). A plate-form filter can be used instead of the needle-shaped member (), and in this case not only can the droplet be made to drop from the lower end opening of the cooling pipe () more effectively due to the capillary action of the filter, but also dust contained in the water can be removed.

Condenser

In a Rankine cycle system for an internal combustion engine, including an evaporator () for generating a vapor, an expander () for converting a heat energy of the vapor into a mechanical energy, a condenser () for cooling the vapor discharged from the expander () to restore it into water, a tank () for storage of the water from the condenser (), and supply pumps () for supplying the water in said tank () to the evaporator () in a pressurizing manner, the water in the tank () is supplied via a water jacket () of the internal combustion engine () to a dispensing valve () by the lower-pressure pump (). A portion of the water dispensed by the dispensing valve () is further pressurized and supplied to the evaporator () by the higher-pressure pump (), and another portion of the water dispensed by the dispensing valve () is discharged to the tank () after dissipating its heat in an auxiliary () such as a heater for heating a vehicle compartment and the like. Thus, it is possible to sufficiently cool heated portions of the internal combustion engine () by the water which is a liquid-phase working medium, while maintaining the performance of the Rankine cycle system, thereby aiming at the disuse of a radiator.

Rankine cycle device of internal combustion engine

A method to reduce the wave resistance of an airplane by disposing a fluid element such as an engine nacelle at a predetermined position on an upper surface of a main wing, positively superposing the air flow generated by the fluid element onto the air flow on the upper surface of the main wing, thereby establishing a gentle profile of pressure on the upper surface of the main wing, and retarding the generation of a shock wave. If the engine nacelle is disposed on the upper surface of the main wing, and the longitudinal position of the front end of the engine nacelle is set in a range of 63% to 100% from the front end of a wing chord of the main wing (see b and i in FIG. 9), a shock wave is generated on the upper surface of the main wing in the range of a transonic speed to inhibit an increase in wave resistance. Thus, the cruising speed can be increased, while avoiding an increase in amount of fuel consumed. If the front end of the engine nacelle is ahead of the position corresponding to 63% of the wing chord (see e and f in FIG. 9), a shock wave inhibiting effect is not exhibited, and the wave resistance is increased.

Method for reducing wave resistance in airplane

A power train for vehicles having a swashplate type continuously variable transmission having a swashplate hydraulic pump and a swashplate hydraulic motor, a transmission cylinder therebetween with a plurality of pump plunger holes and motor plunger holes formed therein. The transmission cylinder is rotatable about an axis and is coupled with the crankshaft of the engine. The pump swashplate is rotatable and disposed at an angle to the axis of the transmission cylinder and is coupled with pump plungers. A motor swashplate which is variably inclined relative to the axis of the cylinder and includes motor plungers associated with the cylinder. The swashplates have a number of spherical protruding portions which are abutted by spherical concave portions on the plungers with the concavities having a larger radius of curvature than the protruding portions with engagement varying from radially outwardly to radially inwardly of the axes of the plungers relative to the cylinder and radial forces are diametrically disposed to center the swashplate.

Swashplate assembly for a swashplate type hydraulic pressure device

The present invention relates to a method for controlling an automatic transmission of a vehicle which is capable of continuously changing a transmission ratio (Rt) and transmission coefficient (Ct). The method is three fold, that is, an initial stage control procedure, a special stage control procedure and a normal stage control procedure having priority in operation in this order. At the initial stage control procedure, Rt and Ct are determined, according to a plurality of indices representing a state of the vehicle, so that the vehicle is accelerated effectively, in general. At the special stage control procedure, Rt and Ct are determined, when a propelling force transmitting path for transmitting propelling force from an engine to the ground is disconnected at least at one part, so that a shock due to a recovery of said propelling force transmitting path is minimized. At the normal stage control procedure, Rt and Ct are determined so that the vehicle responds to the operation of the driver swiftly.

Method for controlling automatic transmissions

A hydrostatic continuously variable transmission comprising a hydraulic pump having a pump cylinder, a hydraulic motor having a motor cylinder and a hydraulic closed circuit between the pump and motor, wherein the pump cylinder and motor cylinder are connected integrally rotatably to form a transmission member, one of input and output sections of the transmission being formed on the outer periphery of one of the cylinders and the other of the sections being formed by a transmission shaft which relatively rotatably carries the cylinders. The hydraulic closed circuit includes groups of first and second distributor valves for controlling transfer of working oil between the pump and motor through oil passages and first and second valve driving means for driving these groups of valves are arranged such that one is inside and the other is outside of a cylinder block formed of the pump and motor cylinders. This allows a transmission to have a compact size and a high industrial utility.

Hydrostatic continuously variable transmission

In a motorcycle with a pair of left and right steps mounted in a projecting manner on a lower portion of a vehicle body, a pair of left and right brake pedals capable of independently operating the rear wheel brake are pivoted on the vehicle body in close vicinity to the left and right steps, respectively. When a driver turns the motorcycle in either left or right direction with his one foot being placed on the ground, the driver can operate the rear wheel brake using the opposite foot.

Rear wheel brake operating system for motorcycle

Growing community of inventors

Saitama, Japan

Kiyoshi Katahira