The motor has a regulator housing (29) which is thermally and mechanically separate from the motor housing (9), to allow dissipation of the waste heat generated by the electronic power components of the regulator circuit. The outer peripheral surface of the regulator housing has cooling ribs (37), extending in the flow direction of the cooling air stream provided by the cooling fan (3) attached to the motor shaft, with the regulator housing projecting axially from the motor housing.

Electronically-controlled cooling fan motor for automobile

The invention relates to a small commutator motor, in particular a radiator fan motor for motor vehicles, which has a rotor (10) seated on a rotor shaft (12) together with a commutator (16) and further has a pole tube (19) which forms the stator (11), fits over the rotor (10) and the commutator (16), is closed off at both ends by an end shield (21, 22) and the length of which is relatively great compared with its diameter. To promote the interchange of air in the interior of the motor and thereby improve the heat dissipation, exhaust air openings (47) coinciding with an intake opening (45), coaxial with the rotor shaft (12), of a radial flow fan (37) driven by the rotor shaft (12) are made in the front end shield, the end shield remote from the commutator (16), near to the rotor shaft (12). Inlet air openings (46) which allow the interchange of air are provided either in the rear end shield (22) or likewise in the front end shield (21), in which case the inlet air openings are screened off from the exhaust air openings (47) to prevent direct interchange of air.

Small commutator motor

An electric motor, particularly for use with fans, comprising a stator (2) fixed to the side wall (10) of a casing (8), and an internal rotor (4) fixed to a central shaft (5) supported, by means of bearings (6, 7), between the bottom (11) of said casing (8) and its sealed cover (9). One end (5′) of the shaft (5) protrudes from a hole (12) drilled in the bottom (11) of the casing (8) and has a removable fan-bearing cap (27) attached to it. This fan-bearing cap has an extension (28) to which a fan (29) is attached and is substantially parallel to said side wall (10) of the casing (8) and covers, at least partially, the stator.

Electric motor of minimal axial dimensions, particularly for use with fans

Die Erfindung betrifft ein Gehause (2) fur einen Luftermotor (1) mit einem Befestigungsflansch (27) Der Befestigungsflansch (27) ist an einem auseren Umfang eines Luftleitrings (4) ausgebildet und der Luftleitring (4) ist uber zumindest zwei Rippen (5, 5') mit einem Aufnahmekorper (3) zur Aufnahme eines Elektromotors verbunden

Gehäuse für einen Lüftermotor

A ventilation device is used for improving the cooling of an electrical generator (1), especially an alternator, which is connected to an air-cooled thermal engine. The shaft (2) of the generator (1) is driven via a V-belt (5) with the aid of the thermal engine and bears a cooling turbine (4) for said thermal engine. A cooling airflow which flows around the generator (1) and is then passed to the thermal engine is produced by means of the cooling turbine (4). According to the invention, an air-induction cap (12) is mounted on the side of the generator opposite the turbine (4); the cap (12) has an outer part (15) which projects into an annular flow guide (7), which surrounds the generator (1), in order to divert a part of the cooling airflow and supply it to the generator (1) (Fig. 1). … …

Ventilation device for an electrical generator

The axle (2) of a generator (1) is driven by a V-belt (5) from a heat engine and carries also a cooling turbine (4) for the heat engine, with blades (6) The cooling turbine (4) produces a cooling stream of air which surrounds the generator (1) and then is guided towards the heat engine An essential part of the cooling device is a suction cover (12), mounted on one side of the generator (1) opposite to the turbine (4) An outer portion (15) of the cover projects into the stream of air (7) produced by the turbine (4) and is suitably ring-formed to deflect part of the cooling air around the generator (1) It is fastened by bolts (16) to the turbine casing (4) and the turbine itself is attached by bolts (10) to the projecting flange (9) of the generator (1) Alternatively the suction cover is made as an integral part of the generator housing

Blower or ventilator for generator

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Ventilation device for an electrical generator

Blower or ventilator for generator