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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Kryazhevskikh; Nikolai F.
Address:
Krasnodar, SU
No. of patents:
16
Patents:












Patent Number Title Of Patent Date Issued
4944353 Agricultural machine July 31, 1990
An agricultural machine comprises a self-propelled chassis (1) and an arrangement for displacement of the working member (9) over the field surface, comprising a hermetic chamber (3) with a port (4), a source (2) of a fluid agent pumped into the chamber (3) under a pressure, and a fl
4936707 Method of laying a pipeline June 26, 1990
The proposed pipeline is made up of pipe sections connected in succession by elastic outer coupling elements having their entire surface brought into intimate contact with pipe section joints. Provided at the ends of the pipe sections are recesses for accommodating coupling elements
4925550 Batch-action apparatus for filtering fluid medium May 15, 1990
A batch-action apparatus for filtering a fluid medium comprises a hermetically sealed housing (1) communicating with systems (9, 10 and 11) for feeding the fluid medium, discharging the clean medium, and evacuating filter cake.The housing (1) accommodates a flexible filter hose (2) one e
4891115 Apparatus for cleaning the inner surface of a pipeline from deposits and for forming a protectiv January 2, 1990
An apparatus is used for both repair of operating pipelines and protection of newly built pipelines and comprises a cleaning tool (1) which is caused to move in the interior of the pipeline (5) under the action of a flow of fluid containing a dissolved inhibitor. The cleaning tool compri
4876946 Flexible hose pump October 31, 1989
A pump comprising a casing (1) having interior space in which there is provided a flexible hose (2) mounted for reciprocations having one end (5) thereof which is turned inside out and secured along the perimeter to the inner wall of the casing (1), and the other end thereof which is clo
4865673 Method of applying a protective coating to the inner surface of a pipeline and device for carryi September 12, 1989
A method of applying a protective coating to the inner surface of a pipeline includes the steps of adhering a porous flexible hose to the pipeline inner surface, an end of the hose of which is turned inside out and attached to the pipeline. The hose is moved inside the pipeline by pr
4841843 Device for converting energy of fluid medium into mechanical work June 27, 1989
A device for converting energy of a fluid medium into mechanical work comprises a hermetically sealed chamber (1) communicated through valves with systems for supply and discharge of a fluid medium. The chamber has an opening (4) in which a sleeve (5) of flexible material is secured
4839047 Intermittent-action apparatus for filtering liquid June 13, 1989
An intermittent-action apparatus for filtering liquid has a sealed casing (1) in which a hollow cylinder (8) is mounted so as to define with the casing (1) an annular space (9) communicating with a system for removing precipitate. A driven drum (12) is provided in the upper part of the
4828796 Method of protecting the internal surface of a pipeline against corrosion May 9, 1989
A method of protecting the internal surface of a pipeline against corrosion resides in introducing into the pipeline a composition comprising 0.01 to 1 part of a phosphate and a silicate. The phosphate can be sodium polyphosphate or monosubstituted potassium phosphate. The silicate can b
4818298 Method of removing deposits from the inside walls of a pipeline and applying protective coatings April 4, 1989
A method of removing deposits from the inside surface of a pipeline and applying a protective coating thereto includes cleaning the pipeline inside surface and treating this surface with a solution of corrosion inhibitor to form a coating on the pipeline inside surface followed by a
4790934 Apparatus for filtering fluid medium December 13, 1988
An apparatus for filtering a fluid medium has a sealed ring-shaped body in the interior of which is movably mounted a flexible filtering member having a toroidal shape. Slide valves divide the interior of the body into two portions, one of which receives the supply of fluid medium to be
4770614 Apparatus for transferring fluid medium September 13, 1988
An apparatus for transferring a fluid medium comprises a housing (1) having an interior (4) in the top portion (2) thereof communicating through selector valves (5,9) with the atmosphere and with an intake line (6), the bottom portion 3) of the housing (1) accommodating an actuator 13) c
4764237 Method of coating the internal surface of a pipeline with a cement-sand mortar and a device for August 16, 1988
According to the method of coating the internal surface of a pipeline with a cement-sand mortar, a layer (4) of the mortar is formed on said surface and is pressed and held by a flexible hose (5). Before the flexible hose is pressed to the mortar layer (4) the flexible hose (5) is turned
4758115 Pipeline, a method of laying the pipeline and a device for effecting said method July 19, 1988
The claimed pipeline is made of coaxially arranged envelopes rigidly connected to each other, in which case the internal envelope is made of nonhermetic layers and hermetically sealed layers (3, 4) and the whole set of envelopes is impregnated with a binder (5) and forms a monolithic
4756237 Device for converting energy of fluid medium into mechanical work of working member July 12, 1988
According to the invention, the device comprises a housing (1), two chambers (2, 3) interconnected through a pipeline (4) and disposed in the housing opposite to each other. Each chamber (2 or 3) has a piston made in the form of an elastic sleeve (10 and 11), whose one end is turned insi
4738742 Method of protecting the internal surface of pipeline against corrosion and apparatus for perfor April 19, 1988
A method consists in introducing a flexible sleeve (4) into a pipeline (2), advancing the sleeve through the pipeline (2) and urging it against the internal surface of the pipeline (2) by building up excessive pressure in the space defined by the pipeline (2) and the sleeve (4), the latt










 
 
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