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1. DE000003210641 - STROMSPARENDE WAERMETRAEGER-UMWAELZPUMPE, INSBESONDERE FUER WAERMEPUMPEN-HEINZUNGEN

Office
Germany
Application Number 3210641
Application Date 23.03.1982
Publication Number 000003210641
Publication Date 06.10.1983
Publication Kind A1
IPC
F04D 13/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
13Pumping installations or systems
02Units comprising pumps and their driving means
F04D 15/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
15Control, e.g. regulation, of pumps, pumping installations, or systems
CPC
F04D 15/0066
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
15Control, e.g. regulation, of pumps, pumping installations or systems
0066by changing the speed, e.g. of the driving engine
F04D 29/0467
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
04Shafts or bearings, or assemblies thereof
046Bearings
0467Spherical bearings
F24D 19/1012
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
19Details
10Arrangement or mounting of control or safety devices
1006for water heating systems
1009for central heating
1012by regulating the speed of a pump
G05D 16/2066
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
16Control of fluid pressure
20characterised by the use of electric means
2006with direct action of electric energy on controlling means
2066using controlling means acting on the pressure source
H02P 25/10
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
25Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
02characterised by the kind of motor
10Commutator motors, e.g. repulsion motors
G05D 23/1913
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
23Control of temperature
19characterised by the use of electric means
1906using an analogue comparing device
1913delivering a series of pulses
Applicants DUPONT INC, PA
Inventors LAING KARSTEN DIPL CHEM
LAING OLIVER DIPL PHYS
Title
(DE) STROMSPARENDE WAERMETRAEGER-UMWAELZPUMPE, INSBESONDERE FUER WAERMEPUMPEN-HEINZUNGEN
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