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:
Feb. 14, 1984
Filed:
Mar. 12, 1981
Applicant:
Inventors:
Karl Janner, Erlangen, DE;
Klaus Gregorius, Neunkirchen, DE;
Assignee:
Kraftwerk Union Aktiengesellschaft, Mulheim, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
239102 ; 251129 ; 422186 ;
Abstract
Slit nozzle and fast-acting shutoff valve for producing very brief gas flows accurately reproducible with respect to pulse width and spacing such as are required with pulse laser excitation for separation processes and photochemical processes including a first and a second nozzle part defining a nozzle slit therebetween, the first and the second nozzle parts forming the slit nozzle and, simultaneously, the fast-acting shutoff valve, at least one of the nozzle parts being rapidly movable for varying the width of the nozzle slit practically between zero and a nominal size.