Compressors for hand held oral care devices

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 43/02 (2006.01) A61C 17/02 (2006.01) A61C 17/022 (2006.01) F04B 43/04 (2006.01)

Patent

CA 2589643

Compressors are provided which include a motor having a drive shaft; a compression chamber, having an inlet and an outlet; a diaphragm, disposed within the compression chamber such that when the diaphragm is deflected back and forth between a first position and a second position air is drawn in through the inlet and forced out through the outlet; a crankshaft, operatively connected to the drive shaft; a shuttle, configured to be displaced transversely by rotational movement of the crankshaft, and positioned to deflect the diaphragm bby its transverse movement; and a guide configured to inhibit non-transverse motion of the shuttle. In some implementations, the compressor occupies a total volume of less than about 15 cubic inches.

L'invention concerne des compresseurs comprenant un moteur possédant un arbre d'entraînement, une chambre de compression comportant une entrée et une sortie, un diaphragme disposé à l'intérieur de la chambre de compression de sorte que, lorsque le diaphragme est dévié en va-et-vient entre une première position et une seconde position, de l'air soit aspiré par l'entrée et expulsé par la sortie, un vilebrequin relié fonctionnel à l'arbre d'entraînement, une navette conçue pour être déplacée transversalement par mouvement de rotation du vilebrequin et disposée de manière à dévier le diaphragme au moyen de son mouvement transversal, ainsi qu'un élément de guidage destiné à empêcher un mouvement non transversal de la navette. Dans certains modes de réalisation, le compresseur occupe un volume total inférieur à environ 15 pouces cubes.

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