A pneumatic tire comprising a tread portion having tread elements each provided with a sipe, wherein the sipe is open to a upper surface of the tread element, and has an open top end including a zigzag part and a bottom, wherein the sipe comprises: a first portion in which the zigzag part of the open top end extends to a side of the bottom in a state of being inclined to one side of a longitudinal...

PROBLEM TO BE SOLVED: To prevent the intrusion of dust into a housing for housing a device for taking out the rotation of a hub of a wheel to display the speed, etc. of a speed meter of a motorcycle, etc. via a gear. Ž

SOLUTION: This device is constituted of a main gear B having a gear part 6 and a flange-like part 7, a pinion gear C engaged with the gear part 6, and the housing A having a ho...

The invention relates to methods of monitoring and controlling the processing of blood and blood samples, particularly the separation of blood into its components. In one aspect, the invention relates to optical methods and devices for measuring two-dimensional distributions of transmitted light intensities, scattered light intensities or both from a separation chamber of a centrifuge. In one embo...

PROBLEM TO BE SOLVED: To provide a device and a method which control discharging of a lead storage battery, (in particular, a battery in which stratification can occur), while preventing deterioration of the life time of the lead battery. Ž

SOLUTION: The device for controlling discharging of the lead battery controls the amount of discharge within a first threshold from >0% to ≤3% than the st...

An oil tight type chain tensioner applies tension to a chain used in an engine. The tensioner includes a housing, in which oil is sealed, and a reciprocating rod extending from the interior of the housing to the exterior for pressing the chain. An oil seal is located between the outer circumferential surface of the rod and the inner circumferential surface of the housing. A reservoir for retaining...

A display panel has a plurality of first electrodes, a plurality of second electrodes adjacently disposed alternately with the first electrodes, a plurality of third electrodes formed to cross the first and second electrodes, and a control circuit for having an address discharge carried out during the second electrodes and the third electrodes. The control circuit has a sustain discharge carried o...

A long-life, high-reliability, closed lead acid storage battery in which the electrolyte is hardly layered. (1) A closed lead acid storage battery comprising an electrode plate group including a positive electrode plate, a negative electrode plate, and a separator which is formed mainly of glass fibers and to which a silica powder is mixed is characterized by assembling the electrode plate group w...

PROBLEM TO BE SOLVED: To provide a control device for an automatic clutch capable of previously preventing a hunting phenomenon of clutch on/off generated in the case of coast running in a slow slope or the like. SOLUTION: This control device is provided with basic control X connecting a clutch 3 when a clutch rotational speed comes to be a first preset rotational speed A or more thereafter discon...

A vehicle braking system including a master cylinder (64, 360, 510) having a pressurizing piston (80) fluid-tightly and slidably received in a cylinder housing (70) and cooperating with the cylinder housing to define a pressurizing chamber (88) and an assisting chamber (90) on opposite sides of the piston, a brake operating member (60) for applying a pressurizing force to the piston, a wheel brake...

PROBLEM TO BE SOLVED: To prevent shocks and sense of incompatibility attributable to output change of a power source corresponding to a slip of a transmission or the like. Ž

SOLUTION: A cooperative control device of a vehicle power source with a transmission having an input torque adjustment mechanism which has a continuously variable transmission mechanism connected to the output side of the...

PROBLEM TO BE SOLVED: To accurately, efficiently, and inexpensively form a good conductive pattern having excellent adhesiveness to a transparent substrate by using ultraviolet curing resin paste at the time of manufacturing an electromagnetic wave shielding light transmitting window material, by forming the conductive pattern by forming a plated layer by electroless plating on a resin pattern ...

PROBLEM TO BE SOLVED: To provide a ceiling-embedded fluorescent lamp lighting fixture of an amalgam type wherein a decrease in illuminance caused by a fall in temperature at an amalgam is prevented, even if low-temperature air flows into a room from under the roof. Ž

SOLUTION: An opening into which air flows is not provided in the vicinity of the amalgam 5 of a fluorescent lamp 1, and a radia...

PROBLEM TO BE SOLVED: To provide a road parameter calculation device capable of accurately finding out curvature or a radius of a curve by effectively removing noise components of white line recognition at the time of calculating the curvature of a traveling route or the radius of a curve by using an image recognition result, and to provide a vehicle behavior control device using the road param...

PROBLEM TO BE SOLVED: To provide a hybrid driving device for setting an over-drive mode, and for preventing shock due to the switching of an operation mode. Ž

SOLUTION: The hybrid driving device is provided with: a plurality of locking devices CL and BH for changing the connection relation between rotary elements in any differential gear mechanism 4 and rotary elements in another differential...

PROBLEM TO BE SOLVED: To provide a controller for providing a compact drive unit, improving fuel costs and for increasing output torque in the driving unit for a vehicle equipped with a differential mechanism whose differential action is operable. Ž

SOLUTION: A transmission mechanism 10 is switched between a continuously variable transmission state and stepped change gear state by providing a...

An obstacle avoidance control device has a detector for detecting the distance between a vehicle and an obstacle and the relative speed of the vehicle with respect to the obstacle, a memory for storing a map for calculating vehicle generation force to avoid the obstacle based on a parameter set by a physical quantity determined by a component Vx in the vehicle front-rear direction as of the relati...

When the side acceleration acting upon a vehicle body is comparatively small, the roll rigidities of a front wheel suspension device and a rear wheel suspension device are mainly controlled based upon their roll angles; while, when this side acceleration is comparatively large, the roll rigidities of the front wheel suspension device and the rear wheel suspension device are mainly controlled based...

A brake control apparatus includes a master cylinder that pressurizes the hydraulic fluid in accordance with the operation amount of a brake operating member and then delivers the pressurized hydraulic fluid; a stroke simulator that generates the reaction force against the operation on the brake operating member when supplied with the hydraulic fluid delivered from the master cylinder; wheel cylin...

A vehicle behavior control system includes: a first drive power control unit that executes a turning control over right and left drive wheels of a vehicle to reduce the turning radius of the vehicle based on a drive power difference between the right and left drive wheels; a second drive power control unit that executes a traction control when any drive power difference between the right and left ...

In a vehicle parking system, when a selected shift position is changed between Park and a shift position other than Park, if both an electric motor of an electric parking lock mechanism (12) controlled based on a command from a shift-by-wire (SBW) ECU and an electric motor of an electric parking brake mechanism (10) controlled based on a command from an electric parking brake (EPB) ECU are operate...