The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2018
Filed:
Mar. 15, 2014
Koninklijke Philips N.v., Eindhoven, NL;
Yu-Wen Chang, Mercer Island, WA (US);
Gregory Russ Goddard, Kenmore, WA (US);
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
An oral care appliance using a jet-type fluid flow And mechanical action An oral care appliance comprises: a gas-liquid cleaning assembly which includes a fluid flow pump assembly (); a source of liquid (); and a source of gas (). The pump assembly is in operative communication with the sources of fluid and gas to produce a jet pattern of gas-injected fluid slugs, directed to a nozzle assembly () from which the resulting slugs are directed to the teeth, wherein the individual fluid slugs in the jet flow have a volume in the range of 0.05-0.5 ml per orifice, a diameter in the range of 0.1-2 mm and a repetition rate within the range of 2 Hz to 20 Hz. The appliance further includes a mechanical teeth cleaning assembly, in combination with the gas-liquid assembly, which includes a drive system () and a brush assembly in operative contact with the drive system, the brush assembly having a set of bristles () at the distal end thereof, wherein in operation, the nozzle assembly is positioned within the brush assembly.