machine engineering, namely, finish grinding of precise articles such as bodies of revolution. SUBSTANCE: method comprises steps of rotating grinding disc at constant angular velocity; realizing forced rotation of blank in opposite side at constant angular velocity during periods of rough and finish in-feed of grinding disc and at variable increased angular velocity during second stage of dwelling...

tyre industry, in particular, moulds for vulcanization of tyres. SUBSTANCE: vent valve for installation in the vent hole of the vulcanization mould has an insert with a rod and a plate. The valve insert is made for pressing to the closed position due to the pressure on the side of the plate facing the cavity of the vulcanization mould installed in which is this valve, and for movement to the open ...

oil producing industry; applicable in testing of wells for injectivity, and technological treatment of well bottom-hole zone. SUBSTANCE: method includes nonstationary injection of reagent, measurement of injection pressure and reagent flow rate at wellhead, reduction of measurement data according to bottom-hole conditions, determination of accumulated flow rate and work done for nonstationary flow...

downhole logging; applicable in bottom-hole telemetering system for measurement and transmission of well parameters during well drilling. SUBSTANCE: downhole instrument has unit of transducers connected to input of control and data processing unit whose output is connected to transmitter, and turnogenerator is connected with inlet of control and data processing unit; power self-contained memory; s...

wind-power engineering, particularly, plants designed for conversion of wind energy into mechanical, electrical and other types of energy. SUBSTANCE: wind-driven electric plant has wind turbine which consists of inner and outer rings and blades found between said rings. Formed between inner and outer rings are ducts with closed system and variable cross-section with area of inlet cross-section exc...

wind-power engineering. SUBSTANCE: vertical-shaft windmill-electric generating plant depending for its operation on Magnus effect has windwheel mounted on horizontal shaft, radial blades in the form of cylinders, and electric generator; operating mechanisms are made in the form of Savonius rotors mounted on cylinder shafts and rigidly coupled to them. Novelty is new relationship between geometric ...

helio- and wind-engineering, namely, power plant working by action of wind energy in combination with heat solar irradiation, for example in order to heat water for domestic needs. SUBSTANCE: solar-wind water heater includes wind turbine and heat generator with tank having supply and discharging cold and hot water pipelines. Wind turbine is turntable type one; its shaft is joined with tank of heat...

computer-aided systems for redistributing tickets to show arrangements. SUBSTANCE: system has devices for accepting tickets from separate sellers, devices for transferring tickets to central data base to redistribute them, establish their market price on their demand and/or service price basis, and to distribute tickets among new buyers. System offers more wide market to sellers and enables potent...

applicable for accomplishment of financial operations at a response to documents of the Hypertext Designation Language (HDL) and messages of the Data Transmission Control Log (Internet Log (DTCL/IC) that are exchanged with the local computer system via the internal network, as well as at a response to messages that are exchanged with outside servers in the wide coverage network. SUBSTANCE: bank ap...

gas-discharge engineering; data display on ac gas panels. SUBSTANCE: high reliability of control of ac gas panel whose pixels include minimum two display electrodes of which at least one has n>=2 conductors is ensured due to the fact that distance l1 between display electrode conductors is chosen from expression 0,1l2<=l1<=0,95l2, where l2 is distance between display electrodes in pixel. In additi...

PROBLEM TO BE SOLVED: To increase the life of a control valve type lead-acid battery used while facing a plate surface of electrode plates in a horizontal direction. SOLUTION: A retainer laminated with 3 kinds of a polypropylene fiber containing retainer 4, a water repellent retainer 4a, and a polypropylene fiber nonwoven fabric 6 is used. The polypropylene fiber nonwoven fabric 6 is put between t...

PROBLEM TO BE SOLVED: To provide a control valve type lead acid storage battery which has a high initial discharge capacity and a long life. SOLUTION: A paste-form active substance is made by containing 0.005-0.2 mass % of tin dioxide in the lead powder and by adding dilute sulfuric acid and kneading. And the paste-form active substance is filled in a lattice body and a paste-form positive electro...

PROBLEM TO BE SOLVED: To provide a lead acid storage battery in which short circuit due to corrosion and deformation of the positive electrode lattice body is prevented and the diffusion force of the electrolyte in the group of electrode plates is improved, and progress of sulfation of the negative electrode plate is prevented, thereby the life property of charge and discharge is excellent. SOLUTI...

PROBLEM TO BE SOLVED: To prevent swelling of a battery case 4 at the forming of the battery case in a control valve type lead acid storage battery 1 that uses the battery case made of polypropylene resin. SOLUTION: A plurality of control valve type lead acid storage batteries 1 of nearly rectangular parallelopiped are installed so that one or both of the side faces 2a in the direction that a group...

PROBLEM TO BE SOLVED: To provide a small control valve type lead acid storage battery in which injecting time of the dilute sulfuric acid electrolyte is reduced, and short- circuiting between the positive electrode 1 and the negative electrode 2 is hard to happen, and its manufacturing method. SOLUTION: A lid 11, in which the safety valve tube 8 of a small control valve type lead acid storage batt...

PROBLEM TO BE SOLVED: To provide a multi-screen spectral photographing device that allows a single imaging element to form a plurality of images resulting from optically separating a primary image of an object without parallax or less parallax to a plurality of wavelength bands nearly, substanstantially at the same time, with high accuracy and displays the images on a monitor. SOLUTION: The multi-...

PROBLEM TO BE SOLVED: To provide a series hybrid electric vehicle capable of restraining overvoltage by the regenerative power of a driving motor and the generated power of a generator. SOLUTION: This series hybrid electric vehicle drives the generator with the engine and drives the driving motor with the output of the generator and the discharged output of the battery while charging a battery wit...

PROBLEM TO BE SOLVED: To improve drivability of an output controller for hybrid vehicle by restraining a feeling of idle running caused by failed acceleration at an early stage of acceleration. SOLUTION: During K/D acceleration of the hybrid vehicle, secondary delay filtering (tailing) of a target primary rotational speed Np4 is conducted in a period A at the early stage of acceleration, and the s...

A lead-free plain bearing is formed by dispersing an alloy powder formed from 7-13 mass percent of Sn, 0.1-5 mass percent of Ag, and Cu on a backing, such as a steel plate, and sintering. The alloy powder may further include one or more of 0.05-0.5 mass percent of molybdenum disulfide powder and 0.1-2 mass percent of graphite powder. The bearing surface may be rough finished by machining to a roug...

The invention concerns a tyre tread provided with a tread pattern formed with raised designs (14), said running tread comprising a plurality of incisions (15) with width ranging between 0.3 mm and 2.0 mm and depth P. At least one incision limiting surface (131) is provided with at least a protuberance (16) connected through at least a connecting surface Sr to the face where it projects. Furthermor...