Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7397339 | Method for ambient temperature compensating thermostat metal actuated electrical devices having a plurality of current ratings A thermally actuated device, such as an electrical circuit breaker (10) is provided with an ambient temperature compensation thermostat metal member (38) selected so that it bends when subjected to changes in temperature and compensates for ambient tem... | 07/08/2008 |
| 7324876 | System for remotely controlling energy distribution at local sites A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless en... | 01/29/2008 |
| 7265652 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 09/04/2007 |
| 6570460 | Voltage-tunable oscillator with dielectric resonator including a ferroelectric ceramic material A voltage-controlled oscillator including a dielectric resonator having a ferroelectric ceramic material placed between two metallized surfaces and biased by an electric field created by a difference in potential applied between the two surfaces as a func... | 05/27/2003 |
| 5237303 | Device for controlling an ambient influence on equipment An apparatus (1) for compensating the maladjustment of a power control means (2) by changes to the ambient temperature operates at least on a partial path against the flat spring (31) of a correcting device (30), after which at least part of the ambient t... | 08/17/1993 |
| 5043691 | Ambient compensated thermostat A temperature responsive electric switch is shown having an operating bimetallic member adapted to sense the temperature of a heat source coupled to an over-center switch mechanism and an ambient temperature bimetallic member to maintain a predetermined t... | 08/27/1991 |
| 4806899 | Thermal circuit breaker An improved thermal circuit breaker is disclosed, featuring a U-shaped bimetallic element which latches an escapement locking arm which holds a spring biased moving contact against a fixed contact when the breaker is in the contacts closed position. The i... | 02/21/1989 |
| 4633210 | Thermal overload relay with improved response Improved response in an ambient temperature compensated thermal overload relay is obtained by providing a bimetal element (2) wherein the main bimetal section (4) is coupled through a reversed compensating bimetal section (6) to a heat sink mounting base ... | 12/30/1986 |
| 4486733 | Thermal mechanism with ambient compensating bimetal providing trip force An electrothermal responsive protective mechanism for an electrically powered load wherein the overload tripping force is provided by the cool, ambient temperature compensating bimetal (12) rather than the hot electrically heated bimetal (6) to prevent ov... | 12/04/1984 |
| 4206344 | Electric power controllers A power controller for controlling the intermittent supply of current to a load, such as a cooker hotplate, has a pivotally mounted snap switch controlled by a heated bimetal member which is heated in dependence upon the connected power. A compensating bi... | 06/03/1980 |
| 4131930 | Thermal time-delay switch A thermal time-delay switch comprises contacts which are normally engaged, a first bimetallic element associated with one of the contacts to separate the contacts from each other with temperature rise in the first bimetallic element, a second bimetallic e... | 12/26/1978 |
| 4034322 | Device for protection against current overcharges A device for protection against current overcharges comprising on a same mounting plate a thermal protection device constituted by an active bimetal fixed on the mounting plate, a compensating bimetal fixed on a striker which is movable about a pivot, a s... | 07/05/1977 |
