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Marine engine vibration isolation system Invention relates to means of protection against vibration. System comprises rigid bearing carcass to make load bearing surface for power plant and bumpers connecting the carcass with the bed. Engine and diesel generator are secured via bumpers at load bearing carcass. Load bearing carcass is connected with four bumpers attached at ship bulkhead. Bulkhead is coupled with lead bearing carcass by two elastic dampers composed by rubberised cable. Bed of said bumpers is fastened to ship bulkhead via damper The latter represents a combined spring-mesh design and comprises the case, interconnected flat ring resilient elements and coaxial cylindrical rod. Said case is composed of cylindrical shell with bore for locking the resilient spring element outer ring while cylindrical rod has bore for locking of inner ring. Said resilient spring element is composed by two resilient coaxial rings connected by two symmetric resilient diametrically located elements with central through groove. |
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Ship power plant vibration isolation system Invention relates to means of protection against vibration. The system includes rigid supporting frame and vibration isolators connecting frame with base. Engine and diesel generator are mounted on supporting frame. The supporting frame is connected with four vibration isolators which are fixed on ship bulkhead. The bulkhead is connected with the frame by means of two elastic-damping elements made in the from of rubberised rope. Bottom of vibration isolators is connected with ship bulkhead via vibrodamping element. Elastic element consists of spring and lower and upper spring buffers made of elastomeric material. Vibration isolator contains flat elastic and frictional damping elements. The flat elastic elements are made as a package of arc-type elastic elements consisting of set of flat springs alternating in mutually perpendicular planes. Damping element is made as frictional one in the form of bushings with flanges on its butt ends, and rope length reeled on bushings in closed loop. |
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Invention relates to automotive industry. Proposed device comprises joint rings, fastening ear and reinforcement element. Joint rings can be fitted at support pad attachment point to be base between engine pad and base. Fastening ear is arranged at engine pad attachment point to the base and comprises another attachment point. Reinforcement element is arranged at the base at another point of ear attachment at the base. Carrier front base allow installation of engine support pad thereat by its attachment at attachment points. Above described fastener is used for adapting sedan-type carrier to 4x4 carrier with high body. Transport facility incorporates above described device. |
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Device to secure structural assy at ice Invention relates to attachment of structural assy 2 flanged to ICE either directly or by means of at least one intermediate element. Attachment is made in at least one connector 6. Said connector 6 consists of at least three components 6.1, 6.2, 6.4. First component 6.1 is connected with structural assy 2 while another component 6.2 is connected with ICE or ICE housing bearing frame 3. Both said components are interconnected by third component 6.3 composed of resilient means so that connector 6 features higher stiffness in at least one direction than in another one. Said resilient means 6.3 is composed of plate spring of a stack of plate springs. Note here that plate spring 6.3 or stack of plate springs are a L-like design. |
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Vehicle engine suspension and front wheel arch front plate connector Proposed connector comprises engine suspension and front wheel arch front plate 1. Engine suspension comprises damper assy 2, top mounting bracket 3 and bottom mounting bracket 4. One end of the top mounting bracket 3 fitting the front wheel arch front plate 1 is equipped with tab 5. Said tab 5 features Z-like shape and comprises first and second mounting plates and adapter plate. The latter joints said first and second mounting plates together. First mounting plate abuts on front wheel arch front plate 1 and is bolted thereto. Said front wheel arch front plate 1 has mounting opening 1a, its position fitting that of tab 1. Second mounting plate and adapter plate 5 extend through said opening 1a in front wheel arch front plate 1. |
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Three-cylinder engine comprises module to soften vibration in the vehicle. Three cylinders are supported by engine supports arranged at engine both sides along crankshaft axis. Provided KV and KH represent stiffness of the spring of one of engine supports in lengthwise direction and direction relative to crankshaft vertical axis, MV and MH are components of the first-order force pair components generated in three-cylinder engine in lengthwise direction and direction relative to crankshaft vertical axis while MV0 is the sum of MV and MH, then stiffness of the spring of one of engine supports is set so that KV>KH, and vibration dampening module is configured to satisfy the condition 0<MV/MV0<0.5. |
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Vehicle engine suspension hydraulic mount with acoustic function Invention relates to automotive industry, particularly, top-rank cars exploiting acoustic vibrations for warning the drive about engine operating conditions. Hydraulic mount comprises top and bottom hydraulic chambers 5, 6 separated by baffle 7 including restricting channel 8, load bush 11, rubber-metal spring 4, air chamber 9 separated from bottom hydraulic chamber 8 by elastic diaphragm 10 and attachments 11, 12 to connect the mount with car body structural element and engine housing 2. Chamber 9 is communicated with driver cabin 19 and air tube 16, 18 housing separation diaphragm 14 and restricting regulator 21 with flow section varying depending upon engine load. Sound-transmitting absorbing baffle 20 made of porous material is arranged in tube 18 nearby its outlet end. Diaphragm 14 is arranged in extra hollow chamber integrated in tube 18. Low-frequency sound vibrations are directed from chamber 13 into engine compartment via restricting hole 25. Intrinsic frequency of free vibrations of diaphragm 14 in chamber 13 falls in the range of desirable warning sound. |
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Vehicle engine suspension assembly Invention relates to automotive industry, particularly, top-rank cars exploiting acoustic vibrations for warning the drive about engine operating conditions. Proposed assembly differs from known designs in that acoustic signal generator 7 is composed of hollow deformable chamber 8 confined by elastic sidewall 9 and top and bottom covers 10, 11 connected with support attachments to engine 2 and vehicle body structural element 3. Restricting hole 12 s made in one of said covers 10, 11. Inner space of chamber 8 is communicated via restricting regular 19 with car drive cabin by air tube 14, 25 that houses separation diaphragm 15. Wall 9 is made of elastic polymer material, for example, rubber, and shaped to, preferably, bellows. Sound-transmitting absorbing baffle 17 made of porous material is arranged in tube 14, 25 nearby its outlet end 16. Diaphragm 15 is arranged in extra hollow chamber 18 integrated in tube 14, 25. Intrinsic frequency of free vibrations of diaphragm 14 in chamber 13 falls in the range of desirable warning sound. |
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Boost air piping system on internal combustion engine Air pipeline passes from boost air device on one longitudinal side of internal combustion engine to air-distributing device on the other longitudinal side. One of boost air pipeline sections passes through ICE attachment bracket installed on the side. Boost air cooler is located between those devices. Sections (6e, 7e) of boost air pipeline are integrated to attachment brackets (6, 7) provided on both longitudinal sides of internal combustion engine. Boost air cooler (13) is attached to mounting flanges (6h, 7h) of both engine attachment brackets (6, 7) and interacts with integrated sections (6e, 7e) of boost air pipeline (10). |
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Device for engine and gearbox assembly flexible suspension Invention relates to engine and gearbox suspension. Proposed device comprises rigid bearing part 3 attached to engine and gearbox housing, rigid flange 5 arranged to vehicle body to define horizontal position aligned with vehicle motion direction, and elastomer body 7 allow elastic support of part 3 by flange 5. It comprises also vertical elastic element to take up engine and gearbox assembly weight force acting, in fact, vertically and perpendicular to lengthwise direction and horizontal crosswise direction. Part 3 extends from flange 5 in crosswise direction. Note here that said part has mounting section 11 sifted relative to flange 5 in crosswise direction, and connecting section extending in, in fact, vertically through opening in flange 5 so that it makes thrust to limit relative displacement between part 3 and flange 5 in both vertical directions. |
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Load bearing structure of transport facility power plant (versions) Invention relates to automotive industry. Proposed structure comprises power plant 50 of transport facility 10 arranged across power plant compartment. Said power plant includes power generator 51 and transmission 52 jointed together crosswise, static load bearings (61, 62, 63), arranged under center of gravity (Gc) of plant (50) to support it. Power generator support (64) arranged on end section of power generator (51) and transmission support (65) arranged on send section of transmission (52). Support (64) has 1st support element jointed to plant (50, while support (65) has second support element fitted on the body of transport facility (10). Said 1st and 2nd support elements are jointed together by flexible element. Axial line (Sp1) of flexible element of support (64) and axial line (Sp2) of flexible element of support (65) are inclined to intersect at point (Pv), above center of gravity (Gc). In compliance with 2nd version, axial line (Vrl) of damping of support (64) and axial line of damping of support (65)are inclined to intersect at point (Pv), above center of gravity (Gc). In compliance with 3rd version, support (64) and support (65) have vertical axial lines of damping (Vr1, Vr2), perpendicular to horizontal axial lines of damping. Note here that horizontal axial lines of damping run at an angle to lengthwise and crosswise axes of transport facility(10). |
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Hydraulic support of transport vehicle unit Hydraulic support consists of a pot with a cover. Partition consisting of plates and connected to the pot and the cover by means of threaded fasteners is located therebetween. In the plates there provided is throttle channel that connects cavities filled with liquid to each other, and those cavities are located on both sides of partition between diaphragms. Stock is connected to diaphragm and its seat. Elastic annular elements made of polymeric material and located on both sides of the pot bottom cover the stock between the diaphragm seat and the nut installed on the stock. Annular buffer made from polymeric material is installed between diaphragm and seat. |
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Power unit hydraulic mounting support Invention refers to the sphere of machine building immediately dealing with design of devices providing for absorption of vibrations generated in the course of power units operation. The hydraulic mounting support is composed of a pot (1) with a lid (2). Between the pot and the lid, attached to the former and to the latter with the help of threaded fasteners (13) there is a deflector positioned (4) consisting of plates (5, 6). In the plates there is a throttle channel (7) arranged that connects the fluid-containing cavities (8 and 9) positioned opposite sides of the deflector (4) between the diaphragms (10 and 11). A rod (18) is connected to the diaphragm (11) and the diaphragm seat. Both sides of the pot (1) bottom there are O-ring resilient elements mounted (16 and 17) fabricated of a polymer material. The resilient elements encircle the rod (18) between the diaphragm (11) seat and the nut (22) screwed onto the rod. |
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Adaptive fluid-operated bearing Adaptive fluid-operates bearing comprises hollow housing composed of side (1) and rod (2), which are interconnected through elastomeric members (3), and base (4). The housing receives flexible diaphragm (5) that, together with elastomeric member, defines a closed hollow chamber filled with fluid. Diaphragm (5) and base (4) define space A of variable volume filled with compressed gas. The hollow chamber receives baffle (6) that separates the hollow chamber into two chambers B and C of variable volume. Baffle (6) has throttling openings (11) for flowing fluid with valving device (14) for control of the total cross-section of the opening. Baffle (6) receives rod (2) whose end is provided with thrust (16). Base (4) is provided with valve (18). Baffle (6) has additional throttling opening (11) and is provided with rubber damper (10). The top and bottom surfaces of damper (10) have grooves with semicircular cross-section (13). Rod (2) has flange (7) provided with elastomeric member (3). Rod (2) is mounted in baffle (6) for permitting movement in central deflecting opening (12). Flange (7) and thrust (16) have openings (17) of small diameter. |
Another patent 2528687.