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. 07, 1992
Filed:
Mar. 30, 1990
Harro Hofliger, Allmersbach im Tal, DE;
Gerhard Barth, Karlsruhe, DE;
Harro Hofliger Verpackungsmaschinen GmbH, Allmersbach im Tal, DE;
Abstract
A process and apparatus for detecting impurity particles in fluids, particularly in infusion solutions contained in bottles, with the apparatus including illuminating and etecting device for defining an optical path through which a fluid is conveyed along a fluid conveying path. To increase reliability of detection, pure air is blow from the optical path into a fluid conveying channel thereby ensuring freedom from dust. The conveying channel of the fluid in a vicinity of the illuminating and detecting device, in a direction of the optical path, has an opening, and a blower having a filter is located on the other side of the opening, as viewed in a direction of the conveying path.