F16F15/022

ELECTRICAL MACHINE THAT IS ELASTICALLY SECURED TO A FRAME CONSTRUCTION
20230074068 · 2023-03-09 · ·

A machine assembly includes a load machine secured to a frame construction. An electrical machine is coupled to the load machine and drives the load machine. The electrical machine is secured to the frame construction via multiple intermediate elements. Frame-side main parts of the intermediate elements are secured to the frame construction and machine-side main parts of the intermediate elements are secured to the electric machine. Spring assemblies are respectively arranged between the machine-side main parts and the frame-side main parts for transferring a weight force of the electric machine from the machine-side main parts to the frame-side main parts.

Magnetic suspension type quasi-zero stiffness electromagnetic vibration isolator with active negative stiffness

The disclosure provides a magnetic suspension type quasi-zero stiffness electromagnetic vibration isolator with active negative stiffness. The disclosure relates to the technical field of vibration control. The disclosure can selectively realize passive negative stiffness and active negative stiffness by adjusting the control mode of a controller. By adopting an amplifying mechanism and DIESOLE type electromagnets, the bearing capacity of the vibration isolator is further increased, and the disclosure is suitable for the field of ultra-low frequency heavy load vibration reduction and isolation. The displacement state of a negative stiffness mechanism can be measured in real time according to a sensor, and by means of cooperation of the controller and a driver, active negative stiffness is realized, real-time linear negative stiffness is realized, the multi-stable phenomenon is avoided, and complex dynamic phenomena such as jumping during working of the vibration isolator are prevented. The active negative stiffness is realized, the current passing through the system can be adjusted according to different working conditions, and the system has strong self-adaptive ability, can be applied to vibration-isolated objects of different quality, and can adapt to different working environments.

ANTI-VIBRATION MOUNT USING COMBINATION OF MULTIPLE SPRINGS
20220316550 · 2022-10-06 · ·

Proposed is an anti-vibration mount using combination of multiple springs in which a main spring is provided between an upper frame and a lower frame to reduce vibration, and an auxiliary spring is provided at each of the side portions of the upper frame such that the direction and magnitude of a force applied by the auxiliary spring change according to the compressed degree of the main spring, so the effect of an air spring is realized only with the combination of the main and auxiliary springs which are coil springs. The anti-vibration mount includes: the upper frame allowing an object to be installed thereon; the lower frame provided under the upper frame by being spaced apart therefrom; the main spring provided between the upper frame and the lower frame; and the auxiliary spring elastically supporting each of opposite sides of the upper frame and the lower frame.

DAMPING ARRANGEMENT FOR A CABLE
20230148435 · 2023-05-11 ·

The invention relates to a damping arrangement (100) for a cable (102) extending in a tensioned manner from an anchorage (108), said damping arrangement (100) comprising a rigid damping action transfer device (112) which is positively connected to the cable (102) at a predetermined distance (L1) from said anchorage (108), and at least one damping device (110) extending in a damping manner between said damping action transfer device (112) and a constructional element (106) rigidly connected to said anchorage (108), and connected to said damping action transfer device (112) at a further predetermined distance (L2) from said anchorage (108), said further predetermined distance (L2) being shorter than said predetermined distance (L1).

Vibration isolator

A vibration isolator, system, and method for minimizing propagation of vibrations between structures are configured to decouple axial and lateral structural modes. The vibration isolator includes an axial flexural support that provides axial compliance relative to a central axis and a lateral elastomeric support that provides lateral compliance relative to the central axis. The axial flexural support and the lateral elastomeric support provide stiffness about the central axis. The vibration isolator includes a first mount coupled to a first external structure and a second mount coupled to a second external structure. The axial flexural support is coupled to the first mount and the lateral elastomeric support is coupled to the second mount and the axial flexural support. Using an axial flexural support and a lateral elastomeric support enables tuning of the structural modes in one axis while minimizing the effects to the structural modes in the orthogonal axes.

Bolt through hydraulic mount with and without a decoupler
09850977 · 2017-12-26 · ·

The present disclosure relates to an hydraulic mount for coupling first second components in a vehicle. The mount has a first elastomeric member defining a first portion of a first chamber, and a second elastomeric member defining a second portion of the first chamber and a second chamber. The chambers are each able to retain fluid in a liquid seal manner. An inner tube assembly defines an opening for receiving a bolt. The elastomeric members may be fixedly secured to an outer surface of the inner tube assembly. An inner ring is fixedly coupled to the inner tube assembly at a position between the two chambers. The second elastomeric member is fixedly secured to an outer surface of the inner ring. A decoupler is fixedly disposed within the inner ring and adapted to move between rigid surfaces adjacent the first and second chambers.

Central connector for vehicles having a high-voltage accumulator

A vehicle has a body, a high-voltage accumulator that is mounted on the body by fastening elements, and at least one central connector which differs from the fastening elements and is designed to support the body on the high-voltage accumulator. The central connector is in the form of a hydraulic bearing that extends between the body and the high-voltage accumulator.

Laundry treating apparatus
11686033 · 2023-06-27 · ·

A laundry treating apparatus includes a main body, a washing tub, and a suspension assembly. The suspension assembly includes a support rod, an elastic member, and a damper. The damper includes a cap, a housing, and a friction member. The friction member is disposed in both the cap and the housing, and is configured to press the support rod through the coupling of the female coupling portion and the male coupling portion.

SPRING UNIT
20170356518 · 2017-12-14 ·

The present invention relates to a spring unit (1) for a shock absorber (100) intended for a vehicle. The shock absorber (100) comprises a damping cylinder (101), wherein the damping cylinder (101) is adapted to be telescopically arranged within the spring unit (1). The spring unit (1) comprises a hollow body (2) comprising at least one compression chamber (2b) and at least one additional chamber (3) arranged to be in fluid communication with the compression chamber such that at least a first flow of fluid (F1) is adapted to be allowed between the compression chamber (2b) and the additional chamber (3) when a threshold value is met. The invention further relates to a shock absorber (100) comprising such a spring unit (1), and a front fork comprising such a shock absorber (100) as well as a method for filling the shock absorber (100).

ARRANGEMENT FOR FASTENING A POWER ELECTRONIC DEVICE SUCH AS A FREQUENCY CONVERTER
20170350469 · 2017-12-07 ·

An arrangement for fastening, at multiple fastening points, a power electronic device such as a frequency converter (1) to a base (2) susceptible to vibration, at least a portion of which fastening points are vibration-damped, and which fastening points are on two opposite sides of the frequency converter (1). The invention is realized such that there are at least two fastening points (3, 4; 3, 4, 5) on each of two opposite sides of the frequency converter (1), wherein fastening points (3, 4, 5) on one side are damped while fastening points (3, 4) on the other side are undamped.