F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 23/02 (2006.01) B60Q 1/26 (2006.01) F21V 15/04 (2006.01)
Patent
CA 2090298
A lamp assembly (10) for use with equipment such as construction vehicles and heavy trucks that are subjected to prolonged, intense vibrations. The lamp assembly of this invention includes a socket (14) formed by a shell (42). A sealed enclosure, in the form of a lamp housing (12), is releasably secured in the shell. The light source, such as a gas-discharge tube (16) or a set of LEDs (72) is located inside the lamp housing. A transformer primary winding (20), which is attached to a power source (56), is attached to the outside of the shell. A transformer secondary winding (22) connected across the light source is located inside the lamp housing. The secondary winding is located so that the lamp housing is seated in the socket, adjacent the primary winding. When a voltage is applied across the primary winding, an inductive voltage develops across the secondary winding. The voltage developed across the secondary winding is applied to the light source, which results in its energization and the emission of light thereby.
Ensemble phare (10) pour matériel tel que véhicules de construction et camions lourds qui sont soumis à des vibrations intenses et prolongées. L'ensemble phare de la présente invention comprend une douille (14) formée par une coquille (42). Un boîtier scellé, sous forme de boîtier de phare (12), est fixé de façon amovible dans la coquille. La source de lumière, tel un tube à décharge de gaz (16) ou un jeu de diodes lumineuses (72), est située à l'intérieur du boîtier de phare. Un enroulement primaire de transformateur (20), relié à une source d'alimentation électrique (56), est fixé à l'extérieur de la coquille. Un enroulement secondaire de transformateur (22) relié à la source de lumière est placé à l'intérieur du boîtier de phare. L'enroulement secondaire est placé de manière que le boîtier de phare soit assis dans la douille, près de l'enroulement primaire. Quand une tension est appliquée à l'enroulement primaire, une tension inductive se manifeste dans l'enroulement secondaire. Cette tension inductive est appliquée à la source de lumière, ce qui assure son alimentation et l'émission de lumière.
Anderson Craig A.
Hutchisson James T.
Dominion Automotive Group Inc.
Smart & Biggar
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