About 144 results
https://drivepatents.com/patents/947313 · 6 Jan 2016
A device and a method of 6-step controlling of an inverter of a motor driving system are provided. The device and method and apply a voltage to a motor by adopting a 6-step control scheme capable of maximally using an input voltage of the inverter to impro...
https://drivepatents.com/patents/947265 · 6 Jan 2016
A pulse width modulation resonance converter is provided that includes a transformer and a switching unit including first to fourth switches electrically connected to a primary coil of the transformer and configured to convert a DC voltage into an AC volta...
https://drivepatents.com/patents/955449 · 18 Nov 2015
A smart phone holder may include a docking portion formed on a panel in a vehicle cabin and provided with an electric terminal, a supporter detachably mounted on the docking portion and provided with a power pin corresponding to the electric terminal, a cr...
https://drivepatents.com/patents/955974 · 4 Nov 2015
An ambient temperature determining modeling method using distorted ambient temperature compensation may include, (A) a distortion compensation factor applying step of applying a coolant temperature, an intake air temperature, an air volume, a vehicle speed...
https://drivepatents.com/patents/956250 · 28 Oct 2015
Disclosed is a low-weight sound-absorbing type dash pad for a vehicle which can maximize sound-absorbing and sound blocking performances, reduce manufacturing cost and steps of processes, and improve in-line work efficiency. In particular, the low-weight s...
https://drivepatents.com/patents/956225 · 28 Oct 2015
A low-weight sound-absorbing dash pad for a vehicle includes a sound-absorbing/blocking multilayer bonded to a surface of a sound-absorbing member. The sound-absorbing/blocking multilayer is formed by sequentially bonding a first sound-absorbing layer, a s...
https://drivepatents.com/patents/957265 · 7 Oct 2015
The present invention relates to a method for molding a highly heat-resistant sound absorbing and insulating material, which uses a sound absorbing material containing 20-80 parts by weight of a fiber material having a limiting oxygen index (LOI) of 25% or...
https://drivepatents.com/patents/957605 · 16 Sep 2015
The present invention relates to a method for manufacturing a highly heat-resistant sound absorbing and insulating material, more specifically to a method including a beating and mixing step, a web forming step, a web stacking step, a needle punching step,...
https://drivepatents.com/patents/949415 · 19 Aug 2015
An offset correction method for an automobile oil pressure sensor determines whether or not an engine start signal is applied. An offset value of the oil pressure sensor installed on an oil pressure line connected to an oil pump is detected within a first ...
https://drivepatents.com/patents/958859 · 5 Aug 2015
The present invention provides a sound-absorbing material with excellent sound-absorbing performance and a method for manufacturing thereof. More particularly, it relates to a sound-absorbing material, which can improve sound absorption coefficient and tra...