Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
  • F04C2/00—Rotary-piston machines or pumps
  • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
  • F04C2/32—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members
  • F04C2/332—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having both the movement defined in groups F04C2/02 and relative reciprocation between co-operating members with vanes hinged to the outer member and reciprocating with respect to the inner member
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
  • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
  • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
  • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
  • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
  • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
  • F04C14/22—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
  • F04C14/223—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members using a movable cam
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
  • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
  • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
  • F01C21/10—Outer members for co-operation with rotary pistons; Casings
  • F01C21/104—Stators; Members defining the outer boundaries of the working chamber
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
  • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
  • F04C11/008—Enclosed motor pump units
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
  • F04C2240/00—Components
  • F04C2240/40—Electric motor

Definitions

• the present invention relates to a pendulum slide cell pump, in particular for supplying an internal combustion engine with lubricant, for example with oil.
• the pendulum slide cell pumps known from the prior art are usually driven by means of a drive belt departing from an internal combustion engine so that regulation of the delivery rate of the pendulum slide cell pump does not take place via the drive power but exclusively via a relative displacement of the inner rotor to the outer rotor or vice versa and thus via influencing a size of the Suction or pressure chambers takes place.
• the disadvantage here is that at a
• Predetermined drive speed can be done adjustment of the capacity only in a narrow range.
• the present invention deals with the problem for a
• the present invention is based on the general idea, in a per se known pendulum slide cell pump, in particular for supplying an internal combustion engine with lubricant, which has a rotating inner rotor and an associated via pendulum slider outer rotor, outside the outer rotor to arrange a stator, which together with the outer rotor forms a part of an electric drive device for driving the pendulum slide cell pump.
• the outer rotor and the stator are thus equivalent to a rotor and a stator of an electric motor, so that the pendulum slide cell pump according to the invention no longer requires a separate external drive, but is driven by the self-integrated into the pendulum slide cell pump drive device.
• Inner rotor to the outer rotor can be influenced in terms of their capacity, but also directly via the electric drive device in which this example. Is energized more or less strongly. Since the flow rate can be adjusted by the adjustment of the pendulum slide cell pump and by different degrees of energization of the electric motor, it is possible to operate the pendulum slide cell pump in the range of high efficiency and adjust the flow rate by means of motor current or the electric motor in the area operated high efficiency and adjust the flow rate by pump. Of course, a combination is possible.
• Pendulum slide cell pump thus has a much higher flexibility in terms of the adjustability of the flow rate than from the prior art comparable pendulum slide cell pumps, the only relative displacement of the inner rotor to the outer rotor in terms of their
• Pendulum slide cell pump and electric motor is a very compact design of the entire unit feasible.
• the stator is arranged in a control slide and displaceably mounted relative to the inner rotor together with this and the outer rotor, wherein the inner rotor is rotatably mounted or mounted on a stationary axis.
• Delivery can be additionally adjusted by moving the spool.
• this can be moved to move the spool.
• the spool can be arranged stationary together with the stator and the outer rotor, wherein the inner rotor is mounted displaceably relative to the outer rotor.
• the inner rotor is arranged in this case on a transversely to the axial direction of the same adjustable axis, so that to influence the flow rate of the
• Pendulum slide cell pump only the inner rotor has to be adjusted. This can be done, for example, electrically, pneumatically or hydraulically, in particular by means of a hydraulically operating piston-cylinder unit, wherein the Inner rotor bearing axis is aligned orthogonal to the direction of displacement of the piston and connected thereto.
• a spring device may be provided which biases the spool or the inner rotor and that in a position in which the
• Pendulum slide cell pump has their maximum capacity. In this way, a so-called “fail-save principle" can be realized, which ensures that the inner rotor or the control slide and thus the outer rotor are adjusted so that the pendulum slide cell pump their maximum in case of failure of the inner rotor or the spool adjusting adjusting device
• Fig. 1 is a sectional view through an inventive Pendulum slide cell pump according to a first embodiment
• Fig. 3 is a representation as in Fig. 2, but at a second
• FIG. 4 is a sectional view through the mounted pendulum slide cell pump according to FIG. 3,
• Fig. 5 is a sectional view as in Fig. 1, but by the
• Pendulum slide cell pump according to FIG. 3.
• Pendulum slide cell pump 1, the example.
• a rotatably mounted inner rotor 2 which is connected via pendulum slide 3 with an outer rotor 4.
• a stator 5 is also arranged, which together with the outer rotor 4 forms a part of an electric drive device, ie an electric motor, for driving the pendulum slide cell pump 1.
• an electric drive device ie an electric motor
• permanent magnets 6 are arranged in corresponding recesses, which effect the rotational movement of the outer rotor 4 and thus the conveyance of fluid with a corresponding energization of the stator, in particular of stator coils 7 thereof.
• the outer rotor 4 preferably has a non-magnetic, a paramagnetic or a diamagnetic material or is formed from such a material.
• the inner rotor 2 is rotatably arranged on an axis 8, wherein this axis 8 according to the illustrations in Figures 1 and 2 fixed and according to the illustrations in Figures 3 to 5 displaceable is stored.
• the pendulum slide cell pump 1 according to the invention has, in comparison to known from the prior art
• Pendulum slide cell pumps have the great advantage that a capacity of the same can be influenced not only by a relative displacement between the inner rotor 2 and the outer rotor 4, but also by energizing the drive means and thus on the drive power.
• Previously known from the prior art pendulum slide cell pumps were influenced only by a relative displacement of the inner rotor to the outer rotor in terms of their capacity, since they were usually connected via a belt or chain drive with an internal combustion engine and thus have a related to the engine speed, which did not separately, d. H. independent of
• a tube 9 is arranged, which, for example, is integrally formed with a displaceably mounted spool 10 and serves to separate a wet pump part from a dry coil part.
• stator 5 is additionally arranged in the spool 10.
• the spool 10 can for
• the displaceable mounting takes place via an adjusting device, which is designed in this case as a piston-cylinder unit and a piston 12 (see Figures 3 and 4).
• the piston 12 is traversed in this case by the axis 8, on which the inner rotor 2 is rotatably arranged.
• a spring device 13 is also provided, which biases either the spool 10 or the inner rotor 2 in a position in which the pendulum slide cell pump 1 their maximum
• Actuator causes the spring device 13 thus that the
• Pendulum slide cell pump 1 promotes maximum and thus reliably ensures in particular a lubrication of an internal combustion engine.
• Control slide 10 according to the embodiment of the pendulum slide cell pump 1 in Figures 1 and 2 can of course be designed not only translationally adjustable, but alternatively also pivotable.
• the pendulum slide cell pump 1 With the pendulum slide cell pump 1 according to the invention, it is in any case possible to realize a particularly precisely and additionally influenceable in a wide range in terms of their capacity pump, which has its own drive device and also builds compact.
• the number of stator coils 7 can be varied depending on the requirements, in particular to a smooth running of the pendulum slide cell pump 1. To pressurize the piston 12 and thus to adjust the flow rate of the
• Pendulum slide cell pump 1 can of course also the pressure oil the same, for example, by a branch channel used.
• the piston 12 can not have a circular shape, but rather any other shape, wherein more than one piston 12 can be used. If the piston 12 upwards or the spool 10 downwardly pressurized, so reduces the eccentricity between the inner rotor 2 and the outer rotor 4 and thereby the flow rate of the
• Pendulum slide cell pump 1 The spring device 13 always counteracts this reduction.
• the spool 10 is mounted in a housing 1 1 'translationally adjustable.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Rotary Pumps (AREA)
• Details And Applications Of Rotary Liquid Pumps (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=44651847

Family Applications (1)

Country Status (3)

Cited By (2)

Families Citing this family (7)

Citations (1)

Family Cites Families (8)

• 2010
  • 2010-09-28 DE DE102010041550A patent/DE102010041550A1/de active Pending
• 2011
  • 2011-09-20 WO PCT/EP2011/066307 patent/WO2012052240A2/de active Application Filing
  • 2011-09-20 CN CN201190000764.0U patent/CN203412754U/zh not_active Expired - Lifetime

Patent Citations (1)

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