Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 4972289 | Electric motor control and protective assembly for fluid pump operation A combination electric motor control and pump protective assembly in which a protective unit is readily inserted as a module into an existing motor control unit. The units which form the single combined assembly are electrically attached together by blade... | 11/20/1990 |
| 4774627 | Metal-encapsulated switching apparatus A metal-encapsulated switching apparatus includes a housing having first and second opposite ends, a first insulator disposed at the first end and a second insulator disposed at the second end. First terminals are supported on the first insulator. First p... | 09/27/1988 |
| 4752860 | High voltage metallic substation having one and a half circuit breakers per feed A metallic three-phase substation has three circuit breaker per two feeders, and includes two busbars (B01, B02) to which a plurality of single-phase cells (14R, 16R, 18R, 14S, 16S, 18S, 14T, 16T, 18T) with separate phases are connected. The cells are pro... | 06/21/1988 |
| 4752859 | Arrangement for providing various circuit protection device configurations An arrangement for efficiently assembling and providing a plurality of circuit protection device configurations by use of major components that are common to the configurations and that are adapted for interconnection and functioning with each other; some... | 06/21/1988 |
| 4710850 | Tower design for high-voltage systems The invention relates to a tower design for high-voltage systems consisting of several stories (2 to 12) which are connected to each other by means of insulators, where each story (2 to 12) comprises support bars (16) of electrically insulating material a... | 12/01/1987 |
| 4577826 | Stand structure for supporting electric high voltage equipment A platform for carrying electric high-voltage equipment, such as series-capacitors etc., is supported by insulator columns which are articulated at the upper and lower ends. Bracing takes place with the aid of diagonally-braced insulators which are connec... | 03/25/1986 |
| 4541033 | Power switch assembly having a circuit breaker and a circuit disconnector A power switch assembly has a horizontal supporting base, a circuit disconnector including a first supporting porcelain insulator vertically disposed on the supporting base, a stationary contactor supported by the free end of the first insulator, and a ro... | 09/10/1985 |
| 4502132 | Power switch apparatus A supporting insulator (9) to support the driving mechanism (6) of a disconnect switch part (100) and a supporting insulator (9) of a breaker (10) are unified. The heights of the fixed contact (4) and the driving mechanism (6) of the disconnect switch par... | 02/26/1985 |
| 4367512 | Transportable power supply substation A transportable power supply substation is a power supplying equipment in which electric power machines are mounted on transporting apparatus. The transportable power supply substation in accordance with the present invention including transporting means ... | 01/04/1983 |
| 4342067 | Electric power substation for use at very high voltages The invention concerns an electric power substation for use at very high voltages. The substation comprises a circuit-breaker (4) connected to a busbar (29) by a vertical isolating switch (15), the projection (31) on the floor plane (1) of the live compon... | 07/27/1982 |
| 4277639 | High-voltage installation including heavy electrical apparatus suspended by insulator means A high-voltage installation comprises a support structure including a supporting member from which at least one electrical high-voltage apparatus, for example a transformer or inductor, is suspended. The apparatus is suspended from the supporting member b... | 07/07/1981 |
| 4266266 | Electrical fixture intended primarily for outdoor use and designed to protect an electrical device housed therein from the elements The electrical fixture provides a simple, fail-safe, electrical casing, and electrical service outlet, that may be used out-of-doors by consumers to power outdoor electrical appliances. It contains no doors, gaskets, springs, counter-weights or moveable p... | 05/05/1981 |
| 4200899 | Outdoor high-voltage switchgear A high-voltage outdoor distribution installation, primarily of three-phase current and of a low-level design, comprises electric equipment having poles which are electrically interconnected and mounted on cross-arms of supports having legs secured to foun... | 04/29/1980 |
| 4141054 | Seismic tolerant electrical unit substation Closely spaced electrical substation equipment such as transformers and associated switchgear are provided with a seismic electrical interconnection. The seismic electrical interconnection is capable of maintaining electrical continuity between the transf... | 02/20/1979 |
| 4126792 | High-voltage network for areas of increased intensity of icing The high-voltage network for areas of increased intensity of icing comprises supply and distribution substations, an overhead transmission line connecting the supply and distribution substations, an additional overhead transmission line leading from the d... | 11/21/1978 |
| 4092547 | Switch block A prefabricated unitary switch block for use with a multi-phase power circuit bus, a multi-phase load circuit and an automatic circuit recloser for protecting the bus and load circuit against overloading. The switch block comprises a plurality of external... | 05/30/1978 |
| 4090093 | Load controller A load controller has a plurality of operating component units adapted for controlling the supply of power from a source thereof to a load. A pair of separable housings are releasably engaged with each other so as to define a chamber in which the unit plu... | 05/16/1978 |
| 4072999 | Outdoor high-voltage switchgear assembly An outdoor high-voltage switchgear assembly comprising rigid sectionalized busbars provided with busbar compensators made of flexible current-conducting members mounted on insulated supports through the use of bases having an open configuration and electr... | 02/07/1978 |
| 4071882 | Structure for electrical interface In an electrical substation, the use of separate towers or poles to terminate overhead lines is obviated by using bus duct for this purpose. Isolated phase or metal-clad bus duct is erected to provide not only the electrically conductive path between the ... | 01/31/1978 |
| 3961229 | Two pair station protector A two pair station protector is used at a station to protect pairs of telephone circuit lines from high voltage or surge currents and includes a base assembly having an upstanding wall with a pair of notches, in each of which is insertable an insulating g... | 06/01/1976 |
| 3943397 | Unitized theater lighting system main power unit In a theater lighting system that regulates the luminescence of incandescent lamps, a main power unit is constructed of unitized components which include a chassis, main power apparatus drawers, electronic control circuit boards, a power bus unit and equi... | 03/09/1976 |
