The present invention relates to a method of producing microbubbles in a dispersion water nozzle to be used in connection with dissolved air flotation (DAF), in which method a water flow entering the dispersion water nozzle and containing gas which has dissolved under pressure, such as e.g. air, CO2, N2, O2, or the like, is treated, and the throttle means of which dispersion water nozzle has at le...

PROBLEM TO BE SOLVED: To provide an expandable bladder used in a pressure curing molding machine for hydrocarbon rubber such as a pneumatic rubber tire, high in slip properties, reduced in self-adhesiveness, having long bending crack life and reduced in thermal deformability. SOLUTION: A bladder is composed of a crosslinked elastomer containing an isobutylene repeating unit and the compsn. thereof...

PROBLEM TO BE SOLVED: To provide a control system of a sheet superimposed body support stand pable of correctly position a head part of a superimposed body against a sheet supply mechanism even when a sheet of the sheet superimposing body waves. SOLUTION: A control means of a sheet feeder 10 to sequentially feed sheets from a head part of a sheet supply superimposing body S has a means to generate...

PROBLEM TO BE SOLVED: To effectively prevent interference between a differential limit force during brake and A.B.S by an acceleration sensor not influenced by an arrangement direction. SOLUTION: A differential device comprises a differential gear mechanism 45 arranged in a differential case 3: a multidisc clutch 49 to limit differentiation; a hydraulic actuator 53 to press a piston 57 and a clutc...

PROBLEM TO BE SOLVED: To provide a differential device to set the magnitude of a differential limit force to respective different values according to the transmission direction of a rotation force. SOLUTION: In one transmission direction of a rotation force, a contact angle between a ball 5 on the inside in the radial direction of one disc plate 3 and a groove is &beta i1 and a contact angle betwe...

PROBLEM TO BE SOLVED: To make, when runback is working, stabilized combustion in the furnace obtainable and the lowering in the draft for the furnace small. SOLUTION: The rotor-blade opening 26 of a forced-draft blower for a boiler is controlled by a command signal obtained by adding a rotor blade-opening command signal 14b of a forced-draft blower for boiler to a preceding rotor- blade-opening co...

PROBLEM TO BE SOLVED: To obtain the stable steam temperature characteristics by providing fuel signal correcting means for correcting a fuel flow command signal by predicting the feed water temperature of a boiler in the case of switching a steam power single mode for stopping a gas turbine and a combined mode for operating the turbine. SOLUTION: A feed water flow signal 20 at the time of switchin...

PROBLEM TO BE SOLVED: To provide a lead acid battery preventing inferiority of liquid-tightness and air-tightness in a battery terminal part. SOLUTION: A bolt 1 consisting of brass which is an output terminal to the outside and a cavity part 3 receiving a polar pole 2 are provided in a bushing 4. Here, a recessed part 5 is provided by two rows in the periphery of a peripheral wall surrounding the ...

PROBLEM TO BE SOLVED: To increase a discharge capacity at high rate discharge time by reforming a negative electrode active material and/or a positive electrode active material of a lead acid battery. SOLUTION: First, a water solution (pH equal acid point or less SiO2 ) of 35wt.% sulfuric acid concentration saturating Na2 SO4 is prepared. In this solution, SiO2 of 10 to 20nm grain size is immersed...

PROBLEM TO BE SOLVED: To increase a pressure to be applied in a laminating direction of an electrode group and prevent any decrease in pressure due to liquid reduction so as to restrain deterioration of capacity characteristics by disposing porous members having water repellency and elasticity at the side surfaces of the electrode group. SOLUTION: A sealed type lead-acid battery comprises positive...

PROBLEM TO BE SOLVED: To stably control a power generating quantity of a combined cycle power plant. SOLUTION: In this serial load control device, a power generating quantity of a combined cycle power plant comprising a first/second shaft, generated by a generator with each drive power of a gas turbine and a steam turbine, is controlled. A generation power signal 60 from each generator is totalize...

In a method for drilling adjacent to a cased known first borehole a second borehole in a predetermined direction the following steps are carried out for a number of along hole depths di: measuring components of gravity acceleration and magnetic field (earth & casing); determining direction parameters alpha i; deriving magnetic polestrength components, Bp1,i and Bp2,i; applying Bp1,i/Bp2,i=s1,i/s2...

An azeotropic composition made up of from about 58 to about 77% by weight of dimethoxymethane and from about 23 to about 42% by weight of cyclopentane is used as a blowing agent in a process for the production of polyurethane foams.

A rubber composition (1) which comprises: a rubber (A) such as natural rubber, isoprene rubber and the like; a hydroxy flavan compound (B1) represented by the formula (I): (I) wherein R1, R2, R3, R4 and R5 are hydrogen or an aliphatic group and X and Y are hydrogen hydroxy or an aliphatic group, such as 2,4,4-trimethyl-2',4',7-trihydroxyflavan (B2); and 2,2,4-trimethyl-1,2-dihydroquin...

PCT No. PCT/DE94/00714 Sec. 371 Date Apr. 15, 1996 Sec. 102(e) Date Apr. 15, 1996 PCT Filed Jun. 18, 1994 PCT Pub. No. WO95/01561 PCT Pub. Date Jan. 12, 1995An arrangement for indicating a change in a reflective element of a radiation-permeable medium having a detection side disposed opposite the reflective element. The arrangement includes two measured sections each having a radiation source for ...

A gel defect detection system for the optical inspection of defects in oriented transparent and translucent sheet. The system utilizes two polarizing filters with adjustable orientations so that the transmission axis is from about 70 degrees to about 110 degrees or from about 80 degrees to about 100 degrees. The system uses these polarization filters to help distinguish gel defects from the surrou...

A rapid assembly electronic device includes a housing and a chassis which snap together and are movable relative to one another between a closed position and a position in which a battery compartment on the chassis is accessible from the outside. The chassis is separable from the housing by the use of a pointed tool. A resilient clip is received in a receptacle on the housing, the clip being held ...

A data bus sequencer for use by nodes coupled to a system bus for associating data transactions and address transactions on the bus. A mechanism for tracking address and command transactions occurring on the bus produces, for each address and command transaction occurring on the address bus, a corresponding sequence number tag. Those sequence number tags corresponding to address and command transa...

A computer system is provided including a processor and a parallel port configured to transfer data to or from a peripheral device. The parallel port includes a data buffer for receiving data transferred on a system bus when the processor executes a write cycle to the parallel port. A control unit associated with the parallel port decodes the address signals of the system bus to selectively latch ...

Interlocking metal parts that slide under pressure on one another are manufactured so that at least one metal part is manufactured by a powdered metal injection-molding method, an in order to improve the sliding behavior and to minimize the binding tendency, a non-metallic substance having a structured arrangement of molecules is admixed in powdered or granular form with the powdered metal of the ...