Abstract:
The present invention is directed to electrical contacts that comprise spaced electrically conductive particles embedded and bonded into the surface of conductors in which the particles have been kinetically sprayed onto the conductors with sufficient energy to form direct mechanical bonds between the particles and the conductors in a pre-selected location and particle number density that promotes high surface-to-surface contact and reduced contact resistance between the conductors.
Abstract:
A power safety system (PSS) includes a plurality of thermally-triggered electrical breaking arrangements (TTEBAs (11) ). The plurality of TTEBAs are associated with a plurality of electrical devices (EDs (12,13) ) disposed external to the PSS. The PSS further includes a plurality of electrical power connections (EPCs (19) ) associated with said plurality of TTEBAs (11) that are configured to respectively electrically connect the PSS to the plurality of EDs (12,13). When at least one TTEBA in the plurality of TTEBAs is electrically operative and at least one thermal event occurs that is sufficient to thermally activate the at least one electrically operative TTEBA, at least the EPC (19) associated with the at least one thermally activated TTEBA is electrically broken. A method to protect a human operator of the PSS from a thermal event is also presented. A PSS also extends to a primary and a secondary electrical charging system (10) used to charge a battery of a vehicle (14).
Abstract:
Described is an electrical contact comprising a conductive surface of nickel, tin, or a precious metal having a surface of formed grains and particles of a low friction polymer deposited on a portion of the grains wherein the resistance of the contact is about 1 ohm or less, measured at about 100 mA, and wherein the polymer particles are deposited on the grains from a dispersion of the particles in a liquid.
Abstract:
The present invention is directed to electrical contacts that comprise spaced electrically conductive particles embedded and bonded into the surface of conductors in which the particles have been kinetically sprayed onto the conductors with sufficient energy to form direct mechanical bonds between the particles and the conductors in a pre-selected location and particle number density that promotes high surface-to-surface contact and reduced contact resistance between the conductors.