Abstract: An initial set of individuals having design parameters of a blade as a gene, is determined at random (S12). Next, an analysis using Navier-Stokes equations is performed. On the basis of the analysis result, ranking (evaluation) of respective individuals are performed using a pressure loss coefficient, a trailing edge deviation angle and the like as objective functions (S14). When a shape of a blade having a desirable performance is obtained, or when a predetermined number of generations is achieved, the analysis is terminated assuming that a termination condition has been met (S22). When the termination condition has not been met, processes about individual selection, crossing between individuals and mutation are performed so that generation is incremented by 1. The above processes are repeated, so that Pareto solutions can be obtained according to MOGA in consideration of a trade-off relationship between the objective functions.

Abstract: A motion information recognition system takes time-series images of an object in motion and generates image vectors that are analyzed to produce a plurality of eigenvectors that are then stored. Inner product operations are performed between image vectors of a recognized object and a plurality of the stored eigenvectors for obtaining the motion information of the recognized object based on the result of said inner product operations to provide high-speed and easy motion information recognition at reduced computing cost.

Abstract: A vehicle body panel having a honeycomb sandwich structure in which a honeycomb core is sandwiched between a first and a second plate includes a subhoneycomb panel formed by adhering the first plate to one major surface of the honeycomb core beforehand. The subhoneycomb panel is pressed against the second plate which is constituted by a part of a structural panel of a vehicle body with the intermediary of an adhesive layer, the other major surface of the honeycomb core being adhered to the second plate. The connection of the subhoneycomb panel to the second plate is performed after the structural panel has been connected to a strength member of the vehicle body, e. g. after a washing stage. Such a vehicle body panel with a honeycomb sandwich structure is achievable without resorting to any substantial modification of an existing vehicle body assembly line.

Abstract: A chain adjusting device for vehicles having a rear fork pivoted to a main vehicle frame with an intermediate shaft and a driving shaft rotatably mounted to the rear fork. A primary chain coupling the intermediate shaft with the output shaft of an engine and a secondary chain coupling the intermediate shaft with the driving shaft directs power from the engine to a drive wheel. The intermediate shaft is mounted to the rear fork by means of a bearing assembly mounted to a bracket located between parallel cross members of the rear fork. An adjustment bracket is provided to mount arms associated with the bearing assembly in position.

Abstract: An electrolyte feeder for battery including an electrolyte container, said container comprising a shell body filled with an electrolyte in a plurality of spaced cell units, equal in number to the number of individual cells in a dry changed storage battery, each of said shell bodies having a filling tube, said filling tubes being spaced to coincide with the spacing between filling ports of said battery to enable the filling tubes to fit into the corresponding one of the filling ports, a thin film being formed at a tip end of the filling tube, and said thin film sealing up each shell body.

Abstract: A fuel injection valve comprising a main fuel injection valve body containing an electromagnetic coil which is operative to displace a movable core having a valve rod attached to the core. The valve rod has an end with a valve body adapted to selectively engage a valve seat-forming member attached to the valve body. The valve seat-forming member has an interior including a guide bore for guiding opening and closing displacement movements of the valve rod. The guide bore has a uniform diameter throughout its entire length and is connected to a valve seat formed at the end of the guide bore in continuation thereof. A fuel discharge port is formed in continuation of the valve seat. The guide bore is straight and has a burnished surface and the valve seat also has a burnished surface for contact by the valve body. The guide bore is connected to the valve seat without any undercut and due to the burnishing, the guide bore and valve seat are connected without flashing.