Abstract: A power tool has a housing, which includes a first housing and a second housing. The second housing is configured with a connecting hole, a first connecting part passing through the connecting hole connecting the first housing and the second housing, a protective layer, arranged on a surface of the second housing, an elastic portion, connected with the protective layer, arranged between the first housing and the second housing, and is integrally formed with the protection layer.

Abstract: A vibration damping device including a vibration-damping device main unit inserted into a mounting space of a bracket from a lateral side and securely supported by the bracket. The bracket includes engaging pieces on respective opposed inside faces of the mounting space, and engaging action of the engaging pieces with respect to respective detent engaging faces formed on a fixture member of the vibration-damping device main unit prevents the vibration-damping device main unit from becoming dislodged from the mounting space of the bracket. Opposed walls of the mounting space are each penetrated by an aperture window, and inspection flat surfaces are separately provided to an outside surface of each engaging piece visible from an outside through the aperture window and a corresponding external side surface of the bracket that is off the aperture window. The inspection flat surfaces are parallel to each other.

Abstract: A vibration proofing device includes a bracket having an internal space, and a vibration proofing member inserted into the internal space. The internal space is open on an outer surface of the bracket. At least a pair of facing-each-other surfaces, against which the vibration proofing member is pressed, is formed in an inner surface of the bracket. A distance between the pair of the facing-each-other surfaces on a far side in an insertion direction of the vibration proofing member is the same, in at least some regions of the bracket, as that on a near side in the insertion direction. This provides the vibration proofing device and the bracket to allow for compactly configuring the device as a whole, while sufficiently securing a retaining force between the bracket and the vibration proofing member.

Abstract: A fluid-sealed engine mount controls the movement of an engine mounted to a vehicle body and insulates from vibration. In particular, the fluid-sealed engine mount improves vibration damping performance and dynamic characteristics compared to a conventional engine mount, thereby enhancing noise, vibration, and harshness (NVH) performance.

Abstract: A formation method for liquid rubber composite nodes with middle damping holes is provided. The formation method includes adding a middle spacer sleeve between an outer sleeve and a mandrel, bonding the middle spacer sleeve and the mandrel together through rubber vulcanization, and assembling the integrated middle spacer sleeve and the mandrel into the outer sleeve; forming damping through holes which penetrate through the mandrel on the mandrel; hollowing the middle spacer sleeve to form a plurality of spaces; after vulcanization, forming a plurality of interdependent liquid cavities by using rubber and the plurality of spaces; and arranging liquid in the plurality of liquid cavities and communicating the plurality of liquid cavities through the damping through holes.

Abstract: A suspension array includes a support rod, an elastic member wound around the support rod, a housing supported by the elastic member and including a compartment surrounding the support rod, the support rod being coupled to the housing while penetrating the housing in the longitudinal direction, a friction member installed inside the housing to cause friction with the support rod when the friction member in the compartment is displaced, and a cap penetrated in the longitudinal direction by the support rod and coupled with the housing to cover the compartment, wherein the support rod penetrates the cap along the longitudinal direction and wherein the housing includes one or more first holes configured to discharge, to the outside, condensate generated in an inner space defined by the coupling between the cap and the housing.

Abstract: A separation element is configured to separate a working chamber from a compensation chamber of a hydraulic anti-vibration module for mounting an engine on a vehicle body. The separation element includes a first duct extending between a first mouth and a second mouth. In embodiments, the first mouth is provided in a first face of the separation element and is configured to be fluidically connected to the working chamber, and the second mouth is provided in a second face of the separation element and is configured to be fluidically connected to the compensation chamber. In embodiments, the first mouth includes a plurality of openings.

Abstract: A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed; an auxiliary liquid chamber having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has a substantially circular surface forming a wall portion of the main liquid chamber. An opening portion at one end of the orifice passage is formed in the circular surface. The opening portion is formed to extend from an outer edge portion to a central portion of the circular surface.

Abstract: A liquid composite spring for vehicles includes: a core shaft; an outer sleeve arranged on an upper portion of the core shaft, the upper portion of the core shaft being located inside the outer sleeve while the lower portion of the core shaft being located outside the outer sleeve; an upper liquid chamber formed in an upper portion of the outer sleeve, a lower end of the upper liquid chamber being connected to a top of the core shaft; and a lower liquid chamber formed in a lower portion of outer sleeve, the lower liquid chamber and the upper liquid chamber being connected with each other through a metal-rubber main spring. At least one flow channel body is provided in the metal-rubber main spring, so that liquid in the upper liquid chamber and liquid in the lower liquid chamber are communicated with each other through the flow channel body.

Abstract: A vibration damping device including a vibration-damping device main unit attached to a bracket from a lateral side by a second attachment member being fitted to opposed walls provided on widthwise opposite sides of the bracket. The bracket includes flexible latches extending from the respective opposed walls forward in a direction of attachment. The second attachment member includes outer recesses respectively opening onto surfaces overlapped with the respective opposed walls. Each latch has a slope portion sloping inward in a width direction of the bracket such that a distal end face of the latch is inserted in the corresponding outer recess. The distal end face of the latch is latched by a forward wall inner face of the outer recess, and displacement of the second attachment member relative to the bracket in a direction of dislodgment opposite to the direction of attachment is limited.

Abstract: A liquid sealed damper includes: an attachment portion attached to a peripheral portion of an opening of a vehicle or an opening and closing member for covering the opening; a contact portion to which an external force is input; an insulator configured to isolate vibration and connect the attachment portion and the contact portion; a main liquid chamber in which working liquid is sealed, the insulator serving as a wall portion of the main liquid chamber; an auxiliary liquid chamber divided from the main liquid chamber by a partition member and having a wall portion formed of a diaphragm; and an orifice passage formed in the partition member and communicating with the main liquid chamber and the auxiliary liquid chamber. The partition member has an inner gap in the shape of a recess, and a part of the diaphragm is inserted into the inner gap.

Abstract: Provided is an electric device capable of suppressing vibration of a battery pack. Included are: a first housing 21 accommodating a load portion that consumes electric power; a second housing 22 having one end portion connected to the first housing 21 and another end portion to which a battery pack 9 is connectable; and an elastic member 40 interposed between the first housing and the second housing. The first housing includes a first restricting portion 42 positioned away from the elastic member, and the second housing includes a second restricting portion 44 positioned away from the elastic member and engageable with the first restricting portion. In a case where the second housing is urged to be separated from the first housing, the elastic member is deformed and the first restricting portion and the second restricting portion are engaged with each other to prevent separation.

Abstract: A hydraulically damping mount for mounting a motor vehicle unit on a motor vehicle body includes a support and a support mount which are interconnected by a support spring made of an elastomeric material. In embodiments, a support spring limits a working chamber which is separated from a compensating chamber by a separating device, wherein the working chamber and the compensating chamber may be filled with a fluid and may be connected to one another via a damping channel included in the separating device, wherein the separating device may include two nozzle discs between which a first membrane and a second membrane are arranged, and wherein one of the membranes has at least one through-hole.

Abstract: A fluid-filled vibration damping device including: primary and auxiliary liquid chambers; a partition provided between the two chambers; and a movable plate supported movably in a plate thickness direction thereof by the partition. The movable plate receives liquid pressure of the two chambers on its opposite faces so as to constitute a liquid pressure absorber. The partition includes at least one communication hole opening onto its surface facing the movable plate. The movable plate includes at least one elastic protrusion projecting toward the communication hole. The elastic protrusion includes a peripheral wall to be pressed in compression and shear directions and be elastically deformed to a radially inner side of the communication hole as well by coming into contact with a wall portion of the communication hole due to movement of the movable plate in the plate thickness direction.

Abstract: The present disclosure provides a mount for a vehicle that is provided at a portion at which damping performance is desired and that is fastened by a stud bolt. The mount for the vehicle includes a flange into which the stud bolt is inserted and that supports the stud bolt, an insulator configured to surround the flange, a housing coupled to the other one of the vibrating body or the supporting body and to which the insulator is fixed, a chamber formed inside the housing as a space surrounded by the housing and the insulator, and the chamber is filled with a fluid. In addition, the mount for the vehicle includes a damping part mounted on the housing to divide the chamber into two spaces and to be disposed in the chamber. The mount for the vehicle is configured to appropriately absorb vibrations and reduce noise.

Abstract: A conical mount includes a housing defining an axis of rotation, a base member enclosed within the housing, a main rubber element coupled to the base member and enclosed within the housing, an upper metal portion positioned within the housing such that the main rubber element is positioned between the base member and upper metal portion, a radial snubber extending circumferentially around the upper metal portion, and a bearing assembly coupled with the radial snubber and positioned between the radial snubber and the upper metal portion. The bearing assembly enables the radial snubber to rotate freely about the axis of rotation to reduce a tangential load on the radial snubber.

Abstract: A method for controlling an elastic mount configured to support a propulsion device with respect to a marine vessel, wherein the elastic mount contains an electromagnetic fluid and an electromagnet and is configured such that adjusting an amount of electricity applied to the electromagnet changes the shear strength of the electromagnetic fluid and thereby controls elasticity of the elastic mount, including applying a first amount of electricity to the electromagnet to produce a first elasticity in the elastic mount, determining that a vessel speed indicator exceeds a high speed threshold, determining that a trim position for the propulsion device is greater than a threshold trim position, detecting at least a threshold decrease in throttle demand, and applying a second amount of electricity to the electromagnet wherein the second amount of electricity is greater than the first amount of electricity, so as to decrease the elasticity of the elastic mount.

Abstract: A variable stiffness vibration damping device includes a first support member, a second support member, a main elastic member, a diaphragm, a partition elastic member, a first communication passage, a coil, a yoke, and a magnetic fluid. The first communication passage is provided in one of the first support member and the second support member such that a first liquid chamber and a second liquid chamber communicate with each other via the first communication passage. The first communication passage includes a first circumferential passage. The coil is wound coaxially with the one of the first support member and the second support member. The yoke is included in the one of the first support member and the second support member and forms a first magnetic gap overlapping at least partially with the first circumferential passage.

Abstract: A partition member (217) of the present invention includes a membrane (231) which forms a part of a partition wall of a main liquid chamber (215), and a first orifice passage (221) which communicates with the main liquid chamber (215) and opens toward a sub liquid chamber (216), and a flow resistance of a liquid in a portion positioned on the main liquid chamber (215) side and the flow resistance of a liquid in a portion (221a) positioned on the sub liquid chamber (216) side are different from each other in the first orifice passage (221).

Abstract: A coating device for anti-vibration mounts coating a first fitting of each of a first and a second anti-vibration mounts respectively including the first fitting appearing on an outer surface of a first end portion in a longitudinal direction and a second fitting attached to a second end portion includes a coating spray that coats the first fitting and a mount support portion that supports the first and the second anti-vibration mounts on the second attachment fitting side. The first anti-vibration mount has an outer circumference protrusion portion that protrudes from the circumference of the second fitting. The second anti-vibration mount has a fitting protrusion portion that is the second fitting itself protruding. The mount support portion has a pair of supporting wall portions that support the outer circumference protrusion portion from both sides and a recess portion into which the fitting protrusion portion fits.

Abstract: The present disclosure provides a mount for a vehicle that is provided at a portion at which damping performance is desired and that is fastened by a stud bolt. The mount for the vehicle includes a flange into which the stud bolt is inserted and that supports the stud bolt, an insulator configured to surround the flange, a housing coupled to the other one of the vibrating body or the supporting body and to which the insulator is fixed, a chamber formed inside the housing as a space surrounded by the housing and the insulator, and the chamber is filled with a fluid. In addition, the mount for the vehicle includes a damping part mounted on the housing to divide the chamber into two spaces and to be disposed in the chamber. The mount for the vehicle is configured to appropriately absorb vibrations and reduce noise.

Abstract: In a vibration dampening device (10, 110) in an embodiment, a restriction passage (24) includes a first communication portion (26) that is open to a main liquid chamber (14), a second communication portion (27) that is open to an auxiliary liquid chamber (15), and a main body flow path (25) that causes the communication portions to communicate with each other, the first communication portion (26) includes a plurality of pores (31) penetrating a first barrier (28) having a surface (28a) facing the main liquid chamber (14), and a protrusion (40, 140) which protrudes toward the main liquid chamber (14) or the auxiliary liquid chamber (15) is formed over an entire circumference of an opening circumferential edge portion of the pore (31) in the surface (28a).

Abstract: A present invention provides an anti-vibration device (1) which is equipped with a first tubular mounting member (11) connected to one of a vibration generating part and a vibration receiving part, and a second mounting member (12) connected to the other thereof; an elastic body (13) which connects the first mounting member and the second mounting member; and a partition member (16) which partitions a liquid compartment (19) in the first mounting member into a first liquid compartment (14) having the elastic body in a part of a bulkhead, and a second liquid compartment (15) in an axial direction along an central axis of the first mounting member, and has an orifice passage (24) through which the first liquid compartment and the second liquid compartment communicate with each other, in which a plurality of ridge parts (26) extending in a circumferential direction are formed on an inner surface (27) of the elastic body which defines the first liquid compartment in a radial direction.

Abstract: A fluid-sealed engine mount includes a variable orifice whose cross-section is changed according to a magnitude of engine vibration, thereby keeping a damping performance substantially unchanged at a time of large displacement vibration of an engine as compared to a time of small displacement vibration of the engine.

Abstract: An instrument package for use during the drilling a wellbore. The instrument package includes a plurality of instruments such as accelerometers, gyroscopes, and magnetometers; a computer is configured to determine the current position of the plurality of instruments from a set of measurements produced by the plurality of instruments; and wherein the plurality of instruments are mechanically isolated from a drill head assembly by one or more multi-degree of freedom vibration isolators. The computer preferably has at least two modes different analytical modes of analyzing the set of measurements produced by the plurality of instruments, including a continuous mode and a survey mode, the continuous mode being operational during times that active drilling is occurring and the survey mode being operational during times that the active drilling is not occurring.

Abstract: A hydraulic mount includes a core, a first elastomeric member, a second elastomeric member connected to the first elastomeric member, a third elastomeric member connected to the core, a housing including a first housing member connected to the first elastomeric member and a second housing member connected to the second elastomeric member, a first ring, and a second ring connecting the first ring with the third elastomeric member. The first elastomeric member, the second elastomeric member, the third elastomeric member, the first ring, and the second ring may cooperate to provide a first fluid chamber and a second fluid chamber, fluid path connects the first fluid chamber to the second fluid chamber.

Abstract: A hydraulic mount apparatus includes a housing having an upper portion and a lower portion disposed on a center axis and defining a housing chamber. A partition member is disposed in the housing chamber dividing the housing chamber into a pumping chamber and a receiving chamber. The pumping chamber extends between the upper portion and the partition member. The receiving chamber extends between the lower portion and the partition member. A decoupler is attached to the partition member separating the pumping chamber and the receiving chamber. A moving member is disposed in the pumping chamber and attached to the decoupler. The moving member is made from a non-elastomeric polymer sheet secured to the decoupler for providing the additional damping force.

Abstract: A separation device for separating a working chamber and a compensation chamber of a hydraulically damping mount includes a first nozzle disc and a second nozzle disc made of a first material and forming a damping channel interconnecting the working chamber and the compensation chamber. The first nozzle disc may include a sealing member made of a second material and abut the second nozzle disc to seal the damping channel. A hydraulically damping mount for mounting a motor vehicle unit may having a separating device.

Abstract: A placing table includes a measuring-unit that measures a vertical position of an orifice member placed on the placing table, a position-regulating-portion that engages with a part of the orifice member of a type corresponding to the table, and an orifice-member-determination-unit that determines a placed state and type of the orifice member based on a measurement result obtained by the measuring-unit. When the corresponding type of the orifice member is placed in a correct posture, the position-regulating-portion engages with the orifice member and seats the orifice member on the table over the entire circumference of the lower end portion thereof. When a different type of orifice member is placed or when the corresponding type of orifice member is placed in an incorrect posture, the position-regulating-portion does not engage with the orifice member and lifts at least a part of the orifice member from the table.

Abstract: A hydromount suitable for mounting a motor vehicle engine on a vehicle body includes: a load-supporting spring that supports a mount core, encloses a working chamber, and is supported on an outer ring, an intermediate plate, and a compensation chamber separated from the working chamber by the intermediate plate and delimited by a compensation diaphragm. The compensation chamber and the working chamber are filled with a damping liquid and are connected with each other in a liquid-conducting manner via a damping channel disposed in the intermediate plate. The intermediate plate may include an upper nozzle disk, a lower nozzle disk, and a diaphragm disposed between the upper nozzle disk and the lower nozzle disk. The diaphragm may have an inner circumference, an outer circumference, and at least one valve opening. The at least one valve opening may be disposed completely between the inner circumference and the outer circumference.

Abstract: In the present invention, any two of a second liquid chamber (27), a third liquid chamber (28), and a fourth liquid chamber (29) communicate with each other through a first restricted passage (31) formed in an outer attachment member (11), an inner attachment member (12) or a partition member (15), and the remaining one liquid chamber communicates with a fifth liquid chamber (32) formed in the outer attachment member (11), the inner attachment member (12) or the partition member (15), the remaining one liquid chamber is divided in a circumferential direction, and each of the liquid chambers divided in the circumferential direction and the fifth liquid chamber (32) separately communicate with each other through a second restricted passage (33) formed in the outer attachment member (11), the inner attachment member (12) or the partition member (15).

Abstract: A variable stiffness vibration damping device includes a first support member, a second support member, a pair of main elastic members, a partition elastic member, a communication passage, a coil, a yoke, and a magnetic fluid. The second support member includes an axial portion and a pair of outer flanges. The communication passage is provided in one of the first support member and the axial portion such that a first liquid chamber and a second liquid chamber communicate with each other via the communication passage. The communication passage includes a circumferential passage. The coil is wound coaxially with the one of the first support member and the axial portion. The yoke is included in the one of the first support member and the axial portion and forms a magnetic gap overlapping at least partially with the circumferential passage.

Abstract: A variable stiffness vibration damping device includes a first support member, a second support member, a pair of main elastic members, a partition elastic member, a first communication passage, a pair of first radial walls, a second communication passage, a coil, a yoke, and a magnetic fluid. The second support member includes an axial portion. The first communication passage is provided in one of the first support member and the axial portion such that a first liquid chamber and a second liquid chamber communicate via the first communication passage. The pair of first radial walls partition one of the first liquid chamber and the second liquid chamber into a pair of third liquid chambers. The second communication passage is provided in the one of the first support member and the axial portion such that the pair of third liquid chambers communicate via the second communication passage.

Abstract: Technologies are described for devices to absorb vibration. The devices may comprise an inertia track housing, an inertia track fluid reservoir, and an inertia track body. The inertia track fluid reservoir and the inertia track body may be within the inertia track housing. Walls of the inertia track body may define a first and a second spiral inertia track. The first and second spiral inertia tracks may be spiral channels within the outer surface of the inertia track body. The first spiral inertia track may connect a first fluid reservoir with the inertia track fluid reservoir. The second spiral inertia track may connect a second fluid reservoir with the inertia track fluid reservoir. The first and second spiral inertia tracks may be configured to channel the flow of a fluid along the first spiral inertia track and the second spiral inertia track and interact with the fluid to absorb vibration.

Abstract: A limiting passage (24) includes: a first communication section (26) that opens to a first liquid chamber; a second communication section (27) that opens to a second liquid chamber; and a main body flow passage (25) that is configured to provide communication between the first and second communication sections. At least one of the first and second communication sections includes a plurality of fine holes (31). A vortex chamber (25b) is disposed at a portion of the main body flow passage, which is connected to at least one of the first and second communication sections, is configured to form a swirling flow of liquid according to a flow velocity of liquid flowing from the other of the first and second communication sections, and causes the liquid of the swirling flow to flow out through the plurality of fine holes. A barrier wall (36a) in which the plurality of fine holes are formed extends in a direction across a vortex axis along a central axis (O2) of the vortex chamber.

Abstract: The present invention provides a liquid-sealed vibration-damping device capable of improving damping performance while preventing increase in size and weight thereof, the liquid-sealed vibration-damping device including: a first attachment member; a second attachment member; an insulator; a vibration-damping unit having a partition member; and a housing space provided in the second attachment member and housing the vibration-damping unit, wherein the second attachment member includes an outer tubular part and a fixing part protruding from the outer tubular part; and a portion of the housing space extends to the fixing part.

Abstract: A vibration isolator comprises: a first member in which an end portion of a shaft portion being fixed to a mating member; a vibration-isolation base made of an elastic body connecting a second member and the first member; and a stopper made of an elastic body arranged between the second member and the mating member with the first surface. The shaft portion is arranged in the hole of the stopper with the end portion facing the matching member. The inner surface of the hole of the stopper, prior to the shaft portion is inserted into the hole, includes: a first portion having a span smaller than the thickness of the end portion of the shaft portion; and a second portion arranged between the first portion and the second surface. A span of the second portion is greater than the span of the first portion.

Abstract: A retractable anchor assembly for a seating assembly includes an actuating arm operably coupled with a seatback and defining a guide slot. The actuating arm may be movable with the seatback. A guide plate may be coupled with a seat base and may define an arm receiving slot configured to receive the actuating arm. A support plate may be slidably coupled with the guide plate. The support plate may include a side fastener received by the guide slot of the actuating arm. An anchor may be coupled with the support plate. Movement of the actuating arm through the arm receiving slot may be configured to move the support plate and anchor between an extended positioned and a retracted position.

Abstract: A piston for use in a liquid inertia vibration elimination (“LIVE”) system. The piston includes a port that extends from a first end of the piston to an opposite second end of the piston, wherein a length of the port is longer than a length between the first and second ends of the piston.

Abstract: A hydraulic mount includes an inner tubular assembly, first and second elastomeric bodies and a fluid-track. The first and second elastomeric bodies are attached to the inner tubular assembly and cooperate to define a first fluid chamber. The second elastomeric body also defines a second fluid chamber that is in fluid communication with the first fluid chamber via the fluid-track. The fluid-track is attached to the inner tubular assembly partially disposed in the first fluid chamber. The fluid-track includes a central portion, a peripheral portion and a passage. The peripheral portion extends radially outwardly from a periphery of the central portion. The passage provides fluid communication between the first and second fluid chambers. Gaps are positioned between the peripheral portion and a wall of one of the first and second elastomeric bodies.

Abstract: A system and method using a mount assembly for attaching a powertrain to a structural member of a vehicle. The mount assembly includes a first compliant member, a second compliant member, a first fluid chamber, a second fluid chamber, a pressure compliant membrane, electro-magnetorheological switch and a magnetorheological fluid. A fluid conduit interconnects the first fluid chamber with the second fluid chamber to allow a fluid to pass from the first fluid chamber to the second fluid chamber. The pressure compliant membrane seals the aperture in the second fluid chamber. The electro-magnetorheological switch is activated to generate an electric field in the fluid conduit to change the viscosity of the magnetorheological fluid to achieve a first stiffness profile of the mount assembly. The electro-magnetorheological switch is deactivated to remove the electric field in the fluid conduit to change the viscosity of the magnetorheological fluid to achieve a second stiffness profile of the mount assembly.

Abstract: A hydraulic mount, in particular for mounting a motor vehicle engine, includes a mount core, a supporting spring comprising an elastomer material, a working chamber delimited by the supporting spring, and a compensation chamber separated from the working chamber by an intermediate plate. The working chamber and the compensation chamber may be filled with hydraulic fluid and connected to each other by a flow transfer duct. The mount core may have a first mount core part and a second mount core part operationally connected to each other by an elastomer body for high-frequency vibration decoupling. The elastomer body has a first elastomer body portion configured to absorb at least a static mount load acting on the mount core, and a second elastomer body portion configured to absorb at least a transverse force acting on the mount core.

Abstract: Disclosed herein are air-supported belt conveyors and independent conveyor subsystems that are selectively and independently designed to meet requirements that can change along the length of a conveyor, as well as from conveyor to conveyor.

Abstract: A hydromount that is suitable for mounting a motor vehicle engine at a vehicle body includes a supporting spring supporting a mount core and surrounding a working chamber, and a compensating chamber separated from the working chamber by a separating assembly and delimited by a compensating diaphragm. The separating assembly may have at least two nozzle systems which have one decoupling diaphragm each and in each of which one damping duct is disposed. The compensating chamber and the working chamber may be filled with a liquid and may be connected to each other in a liquid-conducting manner by damping ducts. The separating assembly may have an absorber duct connecting the working chamber with the compensating chamber. A switchable actuating member may be assigned to the absorber duct.

Abstract: A road vehicle having a powertrain is provided with a powertrain catcher apparatus comprised of a powertrain catcher and a transverse structural member having a weakened region against which the powertrain catcher reacts when the powertrain is moved rearwardly due to a collision. The powertrain catcher has a punch portion which punches through the weakened region to form an aperture with which the punch portion remains tightly engaged to restrain vertical and transverse movement of the powertrain.

Abstract: A hydraulic mount includes a first housing member, a second housing member connected to the first housing member, an inner tube disposed at least partially in the first housing member, an inner sleeve connected to the inner tube, an outer sleeve disposed at least partially around the inner sleeve, and a flexible member disposed at least partially in the first housing member and connected to the outer sleeve. The inner sleeve may include an outer surface and a fluid channel disposed in the outer surface. The flexible member may cooperate with at least one of the first housing member and the second housing member to provide a first fluid chamber and a second fluid chamber. The first fluid chamber and the second fluid chamber may be in fluid communication via the fluid channel.

Abstract: A system and method using a mount assembly for attaching a powertrain to a structural member of a vehicle. The mount assembly includes a first compliant member, a second compliant member, a first fluid chamber, a second fluid chamber, a third fluid chamber, a pressure compliant membrane, and a valve. A fluid conduit interconnects the first fluid chamber with the second fluid chamber to allow a fluid to pass from the first fluid chamber to the second fluid chamber. The third fluid chamber has an opening in communication with the second fluid chamber and a vent port. The pressure compliant membrane seals the opening between the second fluid chamber and the third fluid chamber. The valve selectively seals the vent port in the third fluid chamber. A first stiffness profile of the mount assembly is selected by actuating the valve to open the vent port. A second stiffness profile of the mount assembly is selected by actuating the valve to close the vent port.

Abstract: A hydraulically damping mount for mounting a motor vehicle unit, such as mounting a motor vehicle engine on a motor vehicle body, includes a supporting spring and a compensation chamber. The supporting spring is configured to support a mount core and surround a working chamber. The compensation chamber is separated from the working chamber by a dividing wall and delimited by a compensation diaphragm. In embodiments, the compensation chamber and the working chamber are filled with a fluid and are connected to each other by a damping duct incorporated into the dividing wall. In embodiments, the dividing wall includes a diaphragm that is capable of oscillating, and a foam element associated with the diaphragm supports the diaphragm in the event of a deflection.

Abstract: A vibration prevention device includes a vehicle body-side bracket having an inner space and a vibration prevention member disposed in the inner space. A press-fitting surface and a press-fitting groove are formed on an inner surface of the vehicle body-side bracket. The press-fitting surface and the press-fitting groove extend from an edge portion of the inner space opening through an outer surface of the bracket. The vibration prevention member has a first attachment member, a second attachment member, and an insulator disposed between the first attachment member and the second attachment member. The second attachment member has an abutting portion pressed against the press-fitting surface and an attachment portion press-fitted into the press-fitting groove.

Abstract: A system and method using a mount assembly for attaching a powertrain to a structural member of a vehicle. The mount assembly includes a first compliant member, a second compliant member, a first fluid chamber, a second fluid chamber, a pressure compliant membrane, electro-magnetorheological switch and a magnetorheological fluid. A fluid conduit interconnects the first fluid chamber with the second fluid chamber to allow a fluid to pass from the first fluid chamber to the second fluid chamber. The pressure compliant membrane seals the aperture in the second fluid chamber. The electro-magnetorheological switch is activated to generate an electric field in the fluid conduit to change the viscosity of the magnetorheological fluid to achieve a first stiffness profile of the mount assembly. The electro-magnetorheological switch is deactivated to remove the electric field in the fluid conduit to change the viscosity of the magnetorheological fluid to achieve a second stiffness profile of the mount assembly.