Electric power converter for recreational vehicle
AssigneeCarr-Griff, Inc.
InventorsJohn K. Robe, Robert M. Keranen
Life of this patent
Estimating the term…
Abstract
A converter adapted to be mounted within an opening in a wall of a recreational vehicle comprising a receptacle adapted to be received within the opening and an openable cover plate attached to the receptacle to provide access to the interior of the receptacle. A base mounting plate is mounted in the receptacle and a plurality of circuit elements, including a step-down transformer, is mounted on the base mounting plate. Ventilation air is provided through vent openings in the cover plate. By utilizing high frequency alternating current, transformer size is reduced and transformer hum is eliminated.
Claims12
A converter adapted to be mounted within an opening in a wall wherein the wall at least partially defines a structure having an interior, said converter comprising:
- a receptacle adapted to be received within the opening in the wall, said receptacle having a rear wall;
- a cover plate;
- means for attaching said cover plate to said receptacle to permit said cover plate to be opened to provide an opening in the receptacle through which access to the interior of said receptacle can be obtained, said cover plate being adapted to be exposed in the interior of the structure whereby access can be obtained to the interior of the receptacle from the interior of the structure;
- vent opening means in said cover plate whereby ventilation air from the interior of the structure can pass through the receptacle;
- a base mounting plate on said receptacle;
- a plurality of circuit elements including a step-down transformer mounted on said base mounting plate, at least a major portion of said transformer being within the interior of said receptacle between said base mounting plate and said rear wall of said receptacle;
- and
- means for releasably mounting said base mounting plate on said receptacle whereby with said cover plate opened said base mounting plate can be removed from said receptacle through the opening in said receptacle to facilitate repair and testing of said plurality of circuit elements.
A converter adapted to be mounted within an opening in a wall wherein the wall at least partially defines a structure having an interior, said converter comprising:
- rectifier means for receiving and rectifying alternating current to provide fluctuating direct current;
- filter means for filtering the fluctuating direct current to provide filtered direct current;
- first means responsive to the filtered direct current to provide a high-frequency alternating current having a frequency much greater than the frequency of the alternating current received by said rectifier means;
- transformer means for stepping down said high-frequency alternating current to a voltage level which is less than the voltage level of the alternating current received by said rectifier means;
- means for converting the stepped down high-frequency alternating current to a direct current output;
- a receptacle adapted to be received within the opening in the wall, said receptacle having a rear wall;
- a cover plate;
- means for attaching said cover plate to said receptacle to permit said cover plate to be opened to provide an opening in said receptacle through which access to the interior of the receptacle can be obtained, said cover plate being adapted to be exposed in the interior of the structure whereby access can be obtained to the interior of the receptacle from the interior of the structure;
- vent opening means for permitting ventilation air to pass through the receptacle;
- a base mounting plate on said receptacle;
- each of said rectifier means, said filter means, said first means, said transformer means, and said converting means being a circuit element;
- means for mounting said circuit elements within said receptacle with at least said filter means and said transformer means being between said base mounting plate and said rear wall of said receptacle and with at least one of said filter or transformer means being mounted on said base mounting plate;
- and
- means for releasably mounting said base mounting plate on said receptacle whereby with said cover plate opened the base mounting plate can be removed from said receptacle through the opening in said receptacle.
Dependencies are inferred from the claim text.