Adjustable cup and fluid heater
US4442343A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1982 |
| Grant date | Apr 10, 1984 |
| Priority date | — |
| Expiry date | Apr 16, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J36/2466
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heater for cups and fluids therein having an adjustable heat selector, heating circuitry and temperature stabilization circuitry, comprising a base support, an electrical circuit enclosing housing, an opening in an upper substantially horizontal surface of the housing for a heating element plate and heat sensor, and an upright section of the housing enclosing additional circuitry having a vertical, substantially cylindrical surface facing the heating element plate, substantially rectangular vertical surfaces for the remaining three sides of the upright section, the vertical substantially cylindrical surface and the substantially rectangular vertical surfaces forming an open-topped receptacle having inner partitions and a closed bottom for receiving assorted personal articles. The circuitry comprises a heat element, a solid-state controlled switch, a power supply, a temperature sensor, an adjustable temperature control and an integrated circuit having the basic functions of limiter, power supply, detector, sensing amplifier, gate and protection features.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.