PROBLEM TO BE SOLVED: To improve the initial performance, and optimize the filling density of a positive electrode, and improve the lifetime performance of a sealed lead- acid battery by adding a specified quantity of tin compound to the positive electrode active material, while specifying density of the positive electrode active material. SOLUTION: In a sealed lead-acid battery, a Pb-Ca alloy is ...

PROBLEM TO BE SOLVED: To restrict the deterioration of a positive electrode plate so as to improve the battery lifetime performance by using Pb-Sb group alloy for positive electrode grid, and setting the density of the positive electrode active material so as to satisfy a specified formula. SOLUTION: Pb-Sb group alloy, which includes 0.7-1.7% Sb, is used for positive electrode grid, and Sb to be i...

PROBLEM TO BE SOLVED: To provide a lead-acid battery, which has excellent efficient discharging performance and of which charge and discharge cycle lifetime characteristics is not lowered, by including a material, which can be contracted, in an active material held in a surface of a collector, and forming a cavity part in the active material with contraction of the contractable material. SOLUTION:...

PROBLEM TO BE SOLVED: To provide a manufacture of paste with a uniform apparent specific gravity in simple processes. SOLUTION: In this method, a required amount of lead powder for producing a preset amount of lead sulfate is added to water or additive contained water solution to form lead powder slurry, to which dilute sulfuric acid is added to manufacture slurry paste with a smaller specific gra...

PROBLEM TO BE SOLVED: To reduce the quantity of sodium lignosulfate in a negative electrode active material so as to lower unsatisfactory filling to improve the charging acceptability, and to reduce the calorific power to prevent the lowering of low-temperature high efficiency discharge capacity by adding sodium lignosulfate to a negative electrode plate for lead-acid battery restraining the flocc...

PROBLEM TO BE SOLVED: To provide a battery with an excellent service life as being capable of preventing the separation of active material from a plate grid when elongated. SOLUTION: In a positive electrode grid alloy formed of lead-calcium-tin, the sectional area of the vertical skeleton 2 of a positive electrode grid frame is twice or more the sectional area of the lateral skeleton 1 of the posi...

PROBLEM TO BE SOLVED: To obtain a sealed lead storage battery in which deterioration of active material for a positive electrode is prevented and its life time performance and stability is enhanced, by starting a battery jar formation of an electrode within a specific time after liquid injection using a positive electrode plate made by adding a specific amount of tin or tin compound to a positive ...

PROBLEM TO BE SOLVED: To provide a sealed lead storage battery and its manufacturing method in which a foaming agent reacts without being in contact with dilute sulfuric acid and the headspace is almost fully occupied with a foamed body. SOLUTION: In this sealed lead storage battery, a powder 7 intervenes between a polar plate group 1 contained in a battery vessel 4 and a foamed body 8 having cont...

PROBLEM TO BE SOLVED: To surpress deterioration of an electrode in an early stage caused by unbalanced burden on the electrode plate arising from vibration of a group of electrodes, by solidifying with alkali silicate a lower part of a group of electrodes for sealed lead storage battery in a battery jar and by arranging the group of electrodes at a predetermined place so that they do not move. SOL...

PROBLEM TO BE SOLVED: To prevent a passive state layer from being formed on a positive electrode plate and restrain a rise in the temperature of a battery for extending the service life thereof by establishing the preset stop time at every prescribed stage in a process from a charge start to a charge end in charging the lead-acid battery having a lead alloy grid substantially containing no antimon...

PROBLEM TO BE SOLVED: To eliminate a malaise that is generated owing to the tentative change of a creep force caused by the switching between a mode 1 where an electric motor is started as a power source at the time of creep control and a mode 5 where an engine is started as a power source in a hybrid vehicle with the engine and the electric motor as a power source when the vehicle drives. SOLUTIO...

A wash station comprises a sink and a water dispensing faucet operably associated with the sink for selectively dispensing water thereto. A first sensor is operably associated with the sink for determining the presence of a user. An electrically operated valve is in flow communication with the faucet for causing water to be selectively supplied thereto and operably associated with the first sensor...

A self closing valve for use with an engine that prevents the loss of fluid from a transmission connected to the engine when a magnetic chip detector is removed from the transmission housing. The self closing valve and magnetic chip detector being integrated together to form a magnetic chip detection system that provides an indicating signal to the operator of an aircraft when magnetically attract...

An improved snare cauterization instrument assembly is provided with a plurality of fixed connecting strands that severably join the web member to the cauterization loop to prevent the undesired movement of the web to the distal end of the loop prior to electrical activation and severing of the tissue sample. A method of manufacturing the assembly employs a resilient, flexible catheter as a tool t...

A catheter system suitable for electrophysiology mapping and radiofrequency ablation of cardiac tissue comprises a catheter shaft having a distal end, a proximal handle, and at least a lumen extending therebetween, wherein a distal section of the shaft is either a fixed curve or deflectable; and safety anchoring means being provided to maintain the integrity of the catheter by holding the tip elec...

The present invention relates to fuel compositions containing hydrocarbon fuels in the gasoline boiling range and organic nitrogen-containing compounds selected from organic nitrates and/or organic nitro compounds. The fuel compositions exhibit improved ignition properties, including reduced emissions and reduced misfires.

The present invention provides for iron-based metallurgical powder compositions that contain nanoparticle metal or metal oxide flow agents useful for enhancing the flow characteristics of the compositions, particularly at elevated processing temperatures. The iron-based powder compositions can be advantageously blended with a flow agent such as a silicon oxide or iron oxide, or a combination of bo...

PROBLEM TO BE SOLVED: To enable a bonding head to be lessened in bonding hours, improved in bonding speed, and to improve a chip in mounting accuracy by a method wherein the bonding head is made to attract and press a chip and also to function as a light irradiation device which sets photosetting resin by irradiating a semiconductor chip with light rays such as ultraviolet rays or the like from ab...

PROBLEM TO BE SOLVED: To provide a forming method of an element isolation region of a semiconductor device which makes it possible to make a bird's beak of an element isolation oxide film very small and also to prevent formation of an irregular projecting part on the bird' beak and further to simplify a process and also to settle the problem of a stress caused by a silicon nitride film. SOLUTION: ...

PROBLEM TO BE SOLVED: To provide an electronic component-mounting substrate, with which the exfoliation of a side pattern can be prevented and at the same time, a side pattern, having a plurality of potentials can be formed easily, and to provide the manufacturing method of the substrate. SOLUTION: A plurality of side patterns 11 and 12 are provided on the wall face of the mounting aperture part 2...