Für eine der 4 "aktuellen" Pumpen h

Für eine der 4 "aktuellen" Pumpen haben wir zudem Übertragungsfunktionen gemessen:
Der prinzipielle Verlauf ähnelt dem Verlauf der bereits zuvor vermessenen Pumpen.
Allerdings bildet sich bei der aktuellen Pumpe im Resonanzanstieg zur Buzzerhauptresonanz bei (6 bis 7) [kHz] um 3 [kHz] die kleinere "Vorresonanz" etwas deutlicher aus, als dies bei den vorherigen Pumpen der Fall war.
Dies führt dazu, dass die aktuelle Pumpe beim Grundton 3 [kHz] einen etwas erhöhten Schallpegel abgibt. Der Grundton ist hier nun ähnlich laut wie der 2. Oberton bei 9 [kHz].
Dies reicht jedoch nicht aus, um den spezifizierten Schallpegel von 50 [dB(A)] sicher zu erreichen.

結果 (英文) 1:

For one of the 4 'current' pumps, we have also measured transfer functions: The basic course is similar to the course of previously measured pumps. However the smaller "first response" forms at the current pump in the resonance rise to the Buzzerhauptresonanz at (6-7) [kHz] 3 [kHz] something more clearly, as was the case with the previous pump. As a result, that the current pump is the basic tone 3 [kHz] emits a slightly increased noise level. The keynote is here now similarly loud like the 2nd overtone at 9 kHz. This does not however sufficient, to ensure the specified sound level of 50 [dB(A)].

結果 (英文) 2:

For the 4 "current" pumps, we also measured transfer functions:
The basic course is similar to the course of the previously measured pumps.
However, forms at the current pump in resonance rise to Buzzer major resonance at (6 to 7) [kHz] to 3 [kHz ] the smaller "Vorresonanz" something apparent from, as was the case with the previous pumps.
This means that the current pump the root 3 [kHz] to add a slightly increased noise. The keynote is here now similarly named as the 2nd overtone at 9 [kHz].
However, this is not sufficient to achieve the specified safe sound level of 50 [dB (A)].

結果 (英文) 3:

for one of the four "current" pumps, we have also measured functions transmission functions.the main course is similar to the course of the previously measured pumps.however, in the current pump resonanzanstieg to buzzerhauptresonanz (6 and 7) [khz] 3 [khz] the smaller "vorresonanz" is somewhat more marked than in that of previous pumps was the case.as a result, the current pump in tone 3 [khz] a little high sound levels. the tone here is now similar to the 2. harmonics in 9 [khz].this is not, however, sufficient to specified levels of 50 [db (a)] sure to achieve.