Control system of electrical thermostat and the system thereof
US9574486B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 28, 2012 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Jul 15, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01P2070/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A control method of an electrical thermostat that includes an operating heater heating wax so as to operate an operating valve that may be disposed to close a coolant passage according to an exemplary embodiment of may include detecting a coolant temperature of coolant circulating a coolant passage, determining whether the coolant temperature may be included in a predetermined heating temperature range, performing a coolant heating mode by supplying a predetermined level of power to the operating heater for a predetermined time, if the coolant temperature may be within the heating temperature range, and stopping the coolant heating mode in a condition that the operating valve may be closed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.