公开(公告)号：US3609486A

公开(公告)日：1971-09-28

申请号：US3609486D

申请日：1969-10-13

Applicant: BASF AG

Inventor： FELDHOFF HEINRICH ,  SCHLERETH GEORG

IPC: G05D3/14 ,  G05D3/18 ,  G05B11/28

CPC classification number: G05D3/18 ,  G05D3/1445

Abstract: Method and apparatus for control of DC motor directly connected to actuating element of control or regulating device with step actuation of motor by pulse modulation in trains of individual pulses whose energy content is varied in dependence on the force requirement to move the mechanical member.

公开(公告)号：US3869914A

公开(公告)日：1975-03-11

申请号：US30899772

申请日：1972-11-24

Applicant: BASF AG

Inventor： KOEHLER WALDEMAR ,  RIEDEL OSWALD ,  SCHERER HERTBERT ,  SCHLERETH GEORG

IPC: G01K17/04 ,  G01N25/48 ,  G01K17/00

CPC classification number: G01N25/4826 ,  G01K17/04

Abstract: Method and apparatus for isothermal calorimetry in which the temperature within the calorimeter is maintained at a constant value by the application of energy in the form of pulses of constant power, which pulses are counted and summated, the number of pulses per unit time being determined by temperature control means.

Abstract translation: 通过以恒定功率的脉冲形式施加能量来量热计内的温度维持在恒定值的方法和装置，该脉冲被计数和相加，每单位时间的脉冲数由 温度控制装置。

公开(公告)号：US3476963A

公开(公告)日：1969-11-04

申请号：US3476963D

申请日：1967-01-31

Applicant: BASF AG

Inventor： FELDHOFF HEINRICH ,  BECKER KLAUS ,  SCHLERETH GEORG

IPC: H02K5/04 ,  H02K9/24

CPC classification number: H02K9/24 ,  H02K5/04