FIELD: metallurgy; steels for cold treatment. ^ SUBSTANCE: proposed steel has the following composition, mass-%: 1.25-1.75 (C+N); at least 0.5%C; 0.1-1.5% Mn; 4.0-5.5% Cr; 2.5-4.5% (Mo+W/2); maximum 0.5%W; 3.0-4.5% (V+Nb/2); maximum 0.5%Nb; maximum 0.3% S; the remainder being iron and unavoidable admixtures. Microstructure of steel in hardened and tempered state contains 6-13 vol-% of vanadium-enr...

FIELD: mining industry, in particular, technology for determining filtration parameters of oil and gas wells. ^ SUBSTANCE: in accordance to method, directly in influx intervals a deep device is mounted, pressure and temperature are registered simultaneously inside all producing intervals of well borehole. Well is transferred to liquid extraction mode with registration of debit at the mouth. Then, ...

FIELD: technology for drilling and operating wells, possible use during organization of wireless electromagnetic communication channel. ^ SUBSTANCE: device is located at mouth of well with drilling column and contains receiving antenna and subtracting device, connected to registration device. Receiving antenna is made in form of two toroidal coils with similar phase characteristics, one of which i...

FIELD: device for extracting mineral raw stock or driving mines and tunnels, possible use for extracting solid rock, such as platinum ore. ^ SUBSTANCE: device contains at least one driven rotary overlapping striking tool, bushing, eccentric shaft, drive, cycloid gearing and safety sleeve for cycloid gearing. Bushing is fastened in the body with possible rotation. Shaft of eccentric is connected by...

FIELD: wind power engineering. ^ SUBSTANCE: invention can be used in segment-type wind electric generators. Proposed rotor of wind electric generator contains hub, blades, arc-shaped members and magnetic circuit. According to invention, magnetic circuit of rotor is made in from of ferromagnetic parallelepipeds alternating with nonmagnetic prisms whose bases are made in from of isosceles trapeziums...

FIELD: technology for preparing and performing electronic voting. ^ SUBSTANCE: system contains control terminal with workplace of an official, connected through network controller to terminals of voting stations, containing voting devices with displays, devices for processing voting results with means for formatting local databases in dynamic mode with realization of access schedule. Voting termin...

FIELD: gas-discharge engineering; plasma displays and other barrier-discharge devices such as gas lasers. ^ SUBSTANCE: proposed has-discharge device has sealed chamber filled with gas mixture. Chamber accommodates at least two electrodes disposed so that discharge gap is formed between them. Electrodes are coated with relevant insulating layers. The latter are covered with shielding coat made of m...

FIELD: electric engineering, namely, engineering of autonomous sources of electric power for telemetry systems used during drilling of oil and gas wells with complex spatial trajectory for shaft driving. ^ SUBSTANCE: proposed electro-mechanical well power source contains through cover 1, inside which with possible immersion in liquid immovable and movable parts of electric generator 2 and 5 are po...

FIELD: engineering of devices for personal identification of clients during conduction of transactions with usage of mobile communication networks, in particular, invention may be used for authentication when making a payment with bank card using a mobile phone. ^ SUBSTANCE: during conduction of inter-bank financial transaction in international payment system in accordance to 3-D Secure specificat...

A method for determining mud slowness of a mud in a borehole includes determining slowness as a function of frequency for at least one fluid mode from a set of measurements acquired with a sonic tool in the borehole; and determining the mud slowness from the slowness as a function of frequency for the at least one fluid mode. A downhole sonic tool includes a transmitter capable of generating signa...

FIELD: oil production, particularly active estimation of oil and gas-condensate wall production rate in pressure-sealed gathering facilities. ^ SUBSTANCE: method involves filling measuring vessel having calibrated volume with well product for time period defined with taking into consideration of maximal device efficiency with gas pipeline communicated with manifold and with closed fluid discharge ...

PROBLEM TO BE SOLVED: To provide a power transmission device for a vehicle that can prevent as much as possible a power source for supplying power to a motor from enlarging. Ž

SOLUTION: In this power transmission device for a vehicle where torque of a driving force source 1 is transmitted to a wheel 5 via a clutch 2 and a transmission 3, and torque of a motor 35 is transmitted to the wheel 5 ...

PROBLEM TO BE SOLVED: To provide an operation control device for a vehicle for controlling for stabilizing vehicular behavior without impairing steering feeling. Ž

SOLUTION: This operation control device for a vehicle comprises an electric power steering device 1 provided with a vehicular behavior determination part 13c for determining the vehicular behavior by a vehicular behavior signal fro...

An apparatus for controlling behavior of a vehicle has an ECU (2) which estimates behavior of a yaw rate of the vehicle using a first target yaw rate, a second target yaw rate and an actual yaw rate to control the behavior of the yaw rate. The ECU (2) completes the behavior control if a completion condition is achieved during over-steering control of the vehicle.

PROBLEM TO BE SOLVED: To provide an electrolyte holding agent for a lead storage battery that is comprised of amorphous silica obtained by precipitation method and that has a property that its filling rate into a battery container is very high and the filling rate of the electrolyte after filling the agent into the battery container is also extremely high. SOLUTION: As a holding agent of electroly...

PROBLEM TO BE SOLVED: To prevent generation of belt slip caused by a load applied on a belt type continuously variable transmission mechanism before side pressure of a drive pulley or a driven pulley of the continuously variable transmission mechanism starts up in starting from an engine stopped state in a control device for a starting clutch serially provided with the continuously variable transm...

This invention provides an apparatus for separating and supplying plates from a stacked plate assembly capable of highly efficiently separating and conveying one plate by one from a stacked plate assembly of a storage cell without interruption and conveying and supplementing, one by one, the separated plate to a next step with improved reliability. In this apparatus, separation suction disks (6) f...

A centrifugal separator includes a rotor (2B). In the rotor (2B), contact portions (32) each for coming into contact with an outer surface of the cap (6) of a sample tube (4) are formed in open end (31) sides of storing holes (3). The contact portions (32) respectively have notches (33) at portions thereof which face an axis (X). An adapter for a centrifugal separator is also disclosed.

The operating method has an initial quantity of steam (28), generated for start-up of the gas turbine delivered to the steam turbine (14), with the resulting power provided by the latter used directly or indirectly for run-up of the gas turbine group. Pref. an intermediate superheater (22) provides hot gases (31) fed to a steam generator (20) within the steam circuit for providing the initial quan...