| Danfoss PolyPower A/S Patent applications |
| Patent application number | Title | Published |
|---|
| 20130099789 | RESONANCE CIRCUIT HAVING A VARIABLE RESONANCE FREQUENCY - A resonance circuit with a variable resonance frequency provided by a variable capacitor having compliant electrodes arranged on a deformable sheet. When the sheet is deformed the capacitance is varied. Further a sensing element comprising the resonance circuit and a sensing system comprising at least one sensing element, a sending unit and a receiving unit. Suitable for mass production. Provides wireless sensing system being cost effective to manufacture. May be used for low cost products, such as toys. May also be used for monitoring displacements in structures, e.g. cracks in wall structures. Further a positions sensitive pressure sensor with pressure sensors arranged on a two-dimensional structure. | 04-25-2013 |
| 20110186759 | POWER ACTUATED VALVE - The invention provides a power actuated valve comprising a transducer and a housing which forms an inlet for entering fluid into the valve, an exit for exit of the fluid from the valve, and a path between the inlet and the exit, the transducer comprising a laminate with a film of a dielectric polymer material arranged between first and second layers of an electrically conductive material. The film is elastically deformable in response to an electrical field applied between the layers, and the transducer is arranged relative to the path so that a ratio between deformation of the film and a flow condition in the path is established. | 08-04-2011 |
