F16F13/1481

Hydraulic powertrain component mount with variable stiffness

A powertrain component mount includes a housing, a main rubber element, a hydraulic body, a membrane and a valve. The main rubber element has an outer armature, an inner armature and an isolating element coupled to the armatures, the isolating element being formed of a material that is more flexible than the outer armature and the inner armature, wherein the main rubber element defines at least part of a fluid flow path. The hydraulic body supports the outer armature of the main rubber element, defines part of the fluid flow path, a fluid chamber, and part of a control chamber communicated with the fluid flow path. The hydraulic body has a port open to the control chamber. The membrane defines part of the control chamber and the valve has a valve head movable between a first position closing the port and a second position spaced from the port.

BEARING BUSH AND PRODUCTION METHOD FOR A BEARING BUSH

A bearing bush and a method for producing a bearing bush are provided. The bearing bush includes a core element, an elastomer element, a cage element and a sleeve element. The cage element is at least partially embedded in the elastomer element. The elastomer element elastically connects the cage element and the core element to each other. The core element, the cage element and the elastomer element form a pre-assembly element. One of the sleeve element and the cage element includes a protrusion. The other of the sleeve element and the cage element includes a groove, which is engageable with the protrusion, in an assembled state of the bearing bush. The pre-assembly element is fixed in the sleeve element. The protrusion and the groove form a two-point contact in a cross-section.

Elastic mount
11022195 · 2021-06-01 · ·

An elastic mount for absorbing static and dynamic loads includes an inner part, an outer part, and at least one elastomer mount that elastically connects the parts. The elastomer mount transfers from a first position to a second position when absorbing a static load acting in the direction of a longitudinal axis of the mount, and may have a first elastomer body, second elastomer body, and an intermediate element arranged between the two elastomer bodies. The intermediate element may have a first connection surface aligned with the longitudinal axis such that in the second position the first elastomer body is soft in shear in the Z-direction, and rigid in the X-direction and/or the Y-direction; and a second connection surface aligned with the longitudinal axis such that in the second position the second elastomer body is soft in shear in the X-direction and/or in the Y-direction and rigid in the Z-direction.

MOUNT FOR VEHICLE

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.

HYDRAULIC MOUNT AND METHOD OF PRODUCING A HYDRAULIC MOUNT
20210062888 · 2021-03-04 · ·

A hydraulic mount is provided and includes: an inner core, a cage that surrounds the inner core, an elastomer body that extends between the inner core and the cage and elastically connects them to each other, and an outer sleeve that encloses the cage. The elastomer body has a first circumferential fluid chamber recess and a second circumferential fluid chamber recess. The first fluid chamber recess and the second fluid chamber recess are each limited in a radially outwards direction by the outer sleeve to form a first fluid chamber and a second fluid chamber. The elastomer body is configured to be substantially undercut-free in an axial direction on its axial end faces. The elastomer body and the cage are configured to be substantially undercut-free in the region of the first fluid chamber recess and the second fluid chamber recess, at least in two predetermined, mutually opposite radial directions.

ANTI-VIBRATION DEVICE
20200362938 · 2020-11-19 · ·

The anti-vibration device (1) includes: an inner attachment member (11); an outer cylinder (12) that surrounds the inner attachment member; and elastic bodies (31, 32) that elastically couple the inner attachment member and the outer cylinder. The elastic bodies include: a pair of end elastic bodies (31) fitted in the outer cylinder; and a pair of intermediate elastic bodies (32) separately arranged on both sides of the inner attachment member and between the end elastic bodies. Covering members (17) that form liquid chambers (14a, 14b) between the covering members and the inner attachment member is arranged between the inner attachment member and the outer cylinder. An orifice passage that provides communication between the liquid chambers is formed between the covering members and the outer cylinder. The entire intermediate elastic bodies are formed of rubber material. The covering members surround the entire circumference of the inner attachment member from outside thereof in a radial direction and cause compressive deformation of the intermediate elastic bodies inward in the radial direction and inward in a circumferential direction.

ELASTIC MOUNT
20200325957 · 2020-10-15 ·

An elastic mount for absorbing static and dynamic loads includes an inner part, an outer part, and at least one elastomer mount that elastically connects the parts. The elastomer mount transfers from a first position to a second position when absorbing a static load acting in the direction of a longitudinal axis of the mount, and may have a first elastomer body, second elastomer body, and an intermediate element arranged between the two elastomer bodies. The intermediate element may have a first connection surface aligned with the longitudinal axis such that in the second position the first elastomer body is soft in shear in the Z-direction, and rigid in the X-direction and/or the Y-direction; and a second connection surface aligned with the longitudinal axis such that in the second position the second elastomer body is soft in shear in the X-direction and/or in the Y-direction and rigid in the Z-direction.

Engine mount for vehicle

An engine mount for a vehicle may include a support bracket including a mounting hole formed in one end portion thereof, an engine-mounting plate provided at an opposite end portion thereof to be connected to an engine, and a coupling portion protruding from an external surface of the one end portion thereof; a fluid-filled assembly including a hook cup configured to be inserted into the mounting hole in the support bracket; and a rubber assembly configured to be mounted to a vehicle body, wherein, in a state in which the fluid-filled assembly is inserted into the mounting hole in the support bracket, the fluid-filled assembly is stacked on a top surface of the rubber assembly, and a housing of the rubber assembly is coupled to the coupling portion of the support bracket.

Liquid-filled vibration isolator
10760642 · 2020-09-01 · ·

The present invention provides a liquid-filled vibration isolator with improved durability. The liquid-filled vibration isolator includes a shaft unit, a first unit, an elastic body coupling the first unit and shaft unit, and a second unit mounted radially outside the first unit. The first unit includes a pair of annular elements, a pair of coupling elements coupling the annular elements, while the elastic body includes outer face portions bonded to outer surfaces of the coupling elements. The outer face portions include lips making contact with the second unit, and first segments making contact with the second unit on areas larger than the lips. The second unit restrains the annular elements along the entire circumferences, and compresses the lips and first segments in the radial direction.

VARIABLE STIFFNESS BUSHING
20200263756 · 2020-08-20 ·

A variable stiffness bushing includes: inner and outer tubular members; and an elastic member connecting these tubular members. At least one pair of liquid chambers axially separated from each other is defined in the elastic member. The liquid chambers are connected by a communication passage including a circumferential passage provided in one of the inner and outer tubular members. The one of the inner and outer tubular members includes a coil wound coaxially therewith and a yoke provided with a gap constituting the circumferential passage. A magnetic fluid fills the liquid chambers and the communication passage. Upper and lower end walls and an axially intermediate partition wall of the elastic member are configured such that when the tubular members are axially displaced relative to each other, a difference is created between volumes of the axially separated liquid chambers.