Title of Invention

APPARATUS FOR PNEUMATICALLY FEEDING AT LEAST ONE SPINNING PREPARATION MACHINE, FOR EXAMPLE A CARDING MACHINE OR CLEANER

Abstract In an apparatus for pneumatically feeding at least one spinning preparation machine, for example a carding machine or cleaner, by means of fibre-flock charging shafts, which are located upstream of the individual spinning preparation machines and which are connected to a pneumatic fibre- transporting line, the transporting line being connected by way of a fibre material feed fan to the fibre-processing machine located upstream, automatic modification of the volumetric air flow (amount of air) is arranged to be carried out. In order to keep the volumetric flow for the conveying of fibre material substantially or completely constant in spite of different charging pressures at at least one fibre material shaft, for different charging pressures in at least one fibre-flock charging shaft a set of characteristic curves describing the volumetric air flow in dependence upon the pressure difference at the fan is stored in a characteristic curve set element, a measurement signal for the actual pressure difference at the fan and also the values relating to the actual speed of rotation of the fan are able to be ascertained in a computer unit, the computer unit is able to determine the actual value of the volumetric air flow from the set of characteristic curves and, in the event of departure from a desired value for the volumetric air flow, the operating point for the speed of rotation of the fan can be displaced to the desired value for the volumetric air flow.
Full Text

Documents:

26-KOL-2004-FORM 27.pdf

26-kol-2004-granted-abstract.pdf

26-kol-2004-granted-claims.pdf

26-kol-2004-granted-correspondence.pdf

26-kol-2004-granted-description (complete).pdf

26-kol-2004-granted-drawings.pdf

26-kol-2004-granted-examination report.pdf

26-kol-2004-granted-form 1.pdf

26-kol-2004-granted-form 18.pdf

26-kol-2004-granted-form 2.pdf

26-kol-2004-granted-form 26.pdf

26-kol-2004-granted-form 3.pdf

26-kol-2004-granted-form 5.pdf

26-kol-2004-granted-letter patent.pdf

26-kol-2004-granted-priority document.pdf

26-kol-2004-granted-reply to examination report.pdf

26-kol-2004-granted-specification.pdf

26-kol-2004-granted-translated copy of priority document.pdf


Patent Number 221734
Indian Patent Application Number 26/KOL/2004
PG Journal Number 27/2008
Publication Date 04-Jul-2008
Grant Date 03-Jul-2008
Date of Filing 19-Jan-2004
Name of Patentee TRUTZSCHLER GMBH & CO. KG.
Applicant Address DUVENSTRASSE 82-92, D-41199, MONCHENGLADBACH
Inventors:
# Inventor's Name Inventor's Address
1 TOBBEN ROBERT HARDTERBROICHER ALLEE 18, D-41065 MONCHENGLADBACH
PCT International Classification Number D01 13/00
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 10305049.3 2003-02-07 Germany