Publication

Flexure pivot based system

Simon Nessim Henein, Loïc Benoît Tissot-Daguette, Benoît Dagon, Michal Stanislaw Smreczak
2022
Patents

Abstract

Flexure pivot based system (1) being one of: a force sensor, a force limiting device arranged to exert a predetermined threshold force, a torque limiting device arranged to exert a predetermined threshold torque, a programmable mechanical memory, or an accelerometer, said flexure pivot based system (1) comprising a substantially rigid frame (3) supporting a lever (5) by means of a suspension mechanism (7) comprising: - a first flexure (9) extending from said frame (3) to a junction (15) with said lever (5); - a second flexure (11) extending from said frame (3) to said junction (15) and arranged at a first non-zero angle to said first flexure (9) in a neutral position of said suspension mechanism (7), - a third flexure (13) extending from said junction (15) to a preloading system (17) at a second non-zero angle to at least one of said first flexure (9) and said second flexure (11) in a neutral position of said suspension mechanism, said preloading system (17) being arranged to apply a force in a direction substantially coaxial with said third flexure (13).

Official source

https://infoscience.epfl.ch/entities/publication/fdb90d5c-1bcc-407b-9332-8dd6f76bd2ac

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Simon Nessim Henein, Loïc Benoît Tissot-Daguette, Benoît Dagon, Michal Stanislaw Smreczak
2022
Patents

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/fdb90d5c-1bcc-407b-9332-8dd6f76bd2ac

About this result

Related concepts (28)

Force

In physics, a force is an influence that can cause an object to change its velocity, i.e., to accelerate, unless counterbalanced by other forces. The concept of force makes the everyday notion of pushing or pulling mathematically precise. Because the magnitude and direction of a force are both important, force is a vector quantity. It is measured in the SI unit of newton (N) and often represented by the symbol F.

Car suspension

Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects a vehicle to its wheels and allows relative motion between the two. Suspension systems must support both road holding/handling and ride quality, which are at odds with each other. The tuning of suspensions involves finding the right compromise. It is important for the suspension to keep the road wheel in contact with the road surface as much as possible, because all the road or ground forces acting on the vehicle do so through the contact patches of the tires.

Fictitious force

A fictitious force is a force that appears to act on a mass whose motion is described using a non-inertial frame of reference, such as a linearly accelerating or rotating reference frame. It is related to Newton's second law of motion, which treats forces for just one object. Passengers in a vehicle accelerating in the forward direction may perceive they are acted upon by a force moving them into the direction of the backrest of their seats for instance.

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