Appeal No. 2003-0729
Application 08/914,346
The system for the automatic control comprises a
differential manometer 8, a secondary device 9 with a
signaling device, a panel 10, a level indicator 11, a
function unit 12, a setter [set-point adjuster] 13, a
regulator 14, a control valve 15, a flow-rate meter 16,
a measuring device 17 of the position of the ripper, an
indicator 18 of the position of the ripper, a
programming device [software] 19.
The initial flow rate from the feed tank 5, which
ensures a difference of 100 mm between the level of the
wort in the filtering vat 1 and that in the feed tank,
is preset by means of the setter 13. Over the course
of the filtration, the controlling effect is imparted
onto the valve 15, which controlling effect is
determined by the relationship established in the
regulating device 14 between the set-point and the
flow-rate of the wort as well as by the correcting
effect brought about by the level indicator 11 via the
function unit 12 based on the level in the feed tank.
When the friction of the mash increases, the
difference between the levels in the filtration vat and
the feed tank also increases whereby the level drop is
measured by the differential manometer 8. The ultimate
value of this differential is indicated by means of a
signal on the panel 10. Besides this, the said signal
is transmitted to the programming unit 19 which
automatically controls the ripper. The feedback
according to the position of the ripper and the remote
control over this position is carried out by the
measuring device 17 and the indicator 18 of the
position of the ripper [translation, pages 2 and 3].
Conceding that Zhekov does not meet the limitations in
independent claim 1 relating to the last four method steps or the
limitations in independent claim 20 relating to the discharge
control (see page 4 in the answer), the examiner takes two
approaches to cure these deficiencies.
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Last modified: November 3, 2007