Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
  • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
  • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
  • B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
  • B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
  • B60T13/148—Arrangements for pressure supply
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
  • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
  • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
  • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
  • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
  • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
  • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
  • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
  • B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
  • B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master cylinders
• • 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
• • 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
  • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
• • 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
  • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
  • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
  • F04C15/0023—Axial sealings for working fluid
  • F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
• • 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
  • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
  • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
  • F04C2/086—Carter
• • 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
  • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
  • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
  • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes

Definitions

• Internal gear pump The invention relates to an internal gear pump for a hydraulic vehicle brake system having the features of the preamble of claim 1.
• Such internal gear pumps are used instead of commonly used piston pumps in slip-controlled and / or external power vehicle brake systems, and often, even if not necessarily aptly referred to as return pumps.
• Internal gear pumps are known. They have a ring gear and an eccentrically arranged in the ring gear pinion on a peripheral portion with the
• Ring gear meshes.
• the ring gears are internally toothed gears, the pinion externally toothed gears, the ring gear and the pinion can also be considered as gears of the internal gear pumps.
• the name as pinion and as a ring gear is their distinction.
• Ring gear and the pinion which is referred to here as the pump chamber.
• a separator is arranged, against the outside and inside of the tooth heads of the two gears and divides the pump room into a suction chamber and into a pressure chamber.
• the separator is often referred to as sickle or sickle due to its typical shape. Another name for the
• the published patent application DE 10 2009 047 626 A1 discloses an internal gear pump for a hydraulic vehicle brake system, which does not have its own housing, but which is installed in a hydraulic block of a slip control of a hydraulic vehicle brake system.
• the hydraulic block can be considered as the housing of the internal gear pump.
• Such hydraulic blocks serve the mechanical attachment and hydraulic interconnection of hydraulic components of a slip control. Such components are except internal gear pumps solenoid valves and hydraulic accumulator for the slip control.
• the hydraulic block is usually a cuboid part made of metal, in particular of aluminum, in the cylindrical and often diameter-graded countersinks as receptacles for the hydraulic components of the slip control and holes that hydraulically connect the recordings or built-in components, attached.
• the internal gear pump according to the invention with the features of claim 1 is designed as a preassembled module and has a cartridge as a housing which is insertable into a receptacle for the internal gear pump, in particular in a hydraulic block slip control of a hydraulic vehicle brake system. Due to the design as an assembly, the internal gear pump according to the invention can be handled as a single component, which simplifies their assembly and in particular the insertion into the receptacle. Another advantage of the invention is the ability to check the internal gear pump after its pre-assembly as an assembly and even before insertion into the receptacle on their functionality and (pressure) tightness. In mass production, usually press-in and caulking processes are used which do not allow removal and replacement.
• the internal gear pump In case of error, the internal gear pump is rejected. If an internal gear pump is already in a hydraulic Raulikblock installed, in case of failure, not only the internal gear pump, but also the hydraulic block with the built-hydraulic components as a whole Committee. Under a cartridge, the housing of the internal gear pump is to be understood, which is formed on the outside corresponding to the receptacle so that it is accurately inserted into the receptacle.
• a preferred embodiment of the invention can be found in claim 6, the object of which is a double internal gear pump with two internal gear pumps according to the invention, each of which is provided for a brake circuit of a hydraulic two-circuit vehicle brake system.
• the two internal gear pumps are arranged separately from each other in two receptacles of a housing and have a common drive, for example by means of a gear.
• the housing with the two receptacles for the two internal gear pumps is referred to as a housing to distinguish it from the housings of designed as pre-assembled assemblies internal gear pump.
• a hydraulic block forms the housing or housing for the two internal gear pumps.
• the internal gear pump according to the invention is provided in particular as a hydraulic pump for a hydraulic, slip-controlled and / or third-party vehicle brake system instead of a piston pump commonly used.
• hydraulic pumps are also referred to as return pumps.
• the preferred embodiment as a double internal gear pump according to the invention is as already said provided for a two-circuit vehicle brake system with a gear pump for each brake circuit.
• Figure 1 is an internal gear pump according to the invention in a perspective view
• FIG. 2 shows the internal gear pump from FIG. 1 with opposite viewing direction
• FIG. 3 is a perspective view of a hydraulic block with two receptacles for two internal gear pumps from FIGS. 1 and 2;
• Figure 4 shows the hydraulic block of Figure 3 with built-in Certainlyberg- wheel pumps according to the invention.
• Figures 1 and 2 show an inventive internal gear pump 1 for a hydraulic vehicle brake system.
• the internal gear pump has a cylindrical, one-sided open housing 2, which is designed as a cartridge for insertion into a still to be explained recording.
• the cartridge 3 In a longitudinal center, the cartridge 3 has a circumferential groove into which a sealing ring 4, in the embodiment, an O-ring is inserted.
• a coaxially arranged in the cartridge 3 and rotatably mounted in their ring gear 5 and an eccentrically arranged in the ring gear 5 pinion 6 of the internal gear pump 1 can be seen, which meshes with the ring gear 5.
• the pinion 6 is an externally toothed gear and the ring gear 5 an internally toothed gear, which are referred to differentiation as pinion 6 and as a ring gear 5.
• a crescent-shaped, here as a pump chamber 7 designated clearance between the pinion 6 and the ring gear 5 can be seen in the open end of the cartridge 3.
• the visible end of the pump chamber 7 is a suction chamber 8, in which the internal gear pump 1 sucks brake fluid.
• An arranged in the pump chamber 7 separator which divides the pump chamber 7 in the suction chamber 8 and a non-visible pressure chamber at the other end of the pump chamber 7 is shown in the drawing not visible.
• the pinion 6 is non-rotatably mounted on a pump shaft 9, which is sealed off by the closed end of the housing 2 of the internal gear pump 1 forming cartridge 3 is performed.
• the internal gear pump 1 has a toothed wheel as the drive wheel 10, which is arranged on the outside of the closed side of the cartridge 3 and is mounted there on the pump shaft 9 in a torque-proof manner.
• Axialusionn 1 1 are arranged, which bear against the pinion 6, the ring gear 5 and the separator.
• the axial discs 1 1 are axially movable and rotationally fixed, they cover the non-visible pressure chamber and the non-visible separator and are recessed in the region of the suction chamber 8. Such axial discs are also referred to as pressure or as control discs or plates.
• the axial discs 1 1 so-called. Pressure fields 12, which are enclosed by a pressure field seal 13.
• the pressure fields 12 are flat, in the illustrated embodiment kidney-shaped depressions which extend approximately over the pressure chamber and the separator. Pressurization of the pressure fields 12 acts on the axial discs 1 1 in sealing contact with the pinion 6, the ring gear 5 and the separator.
• the pressure fields 12 have a through hole 14, through which they communicate with the pressure chamber of the internal gear pump 1.
• the facing in Figure 1 a viewer axial disc 1 1 is exposed, i. its the pinion 6, the ring gear 5 and the separator facing away from the outside is not covered, in the embodiment, it is located approximately flush in a plane with the open end of the cartridge 3, which forms the housing 2 of the internal gear pump 1.
• the internal gear pump 1 is preassembled as an assembly in the cartridge 3, which forms the housing 2 of the internal gear pump 1.
• Pre-assembly as an assembly allows the internal gear group 1 to be handled and installed like a unified component, and it also has a functional and sealing capability. It is possible to check the integrity of the internal gear pump 1 pre-assembled before assembly.
• FIG. 3 shows a hydraulic block 15 of an otherwise not shown slip control of a hydraulic vehicle brake system.
• the hydraulic block 15 is a hydraulic block 15 of an otherwise not shown slip control of a hydraulic vehicle brake system.
• 15 is a block-shaped part made of aluminum, in which countersinks as receptacles
• the hydraulic block 15 has u.a. Receivers 16 for two of the internal gear pumps 1 shown in Figures 1 and 2 and not shown for solenoid valves and hydraulic accumulator. To see in Figure 1 two more countersinks than terminals 17 of a dual-circuit master cylinder, not shown. The other recordings are located on the lower side in the drawing of the hydraulic block 15 and are therefore not visible.
• the hydraulic block 15 has two receptacles 16 for two internal gear pumps 1, which are designed as congruent to the cartridges 3 cylindrical countersinks, in which the internal gear pumps 1 as shown in Figure 4 can be accurately used.
• the drive wheels 10 When inserting the open side of the cartridge 3 with the exposed axial disc 1 1 faces a bottom of the receptacles 16, the drive wheels 10 are in open sides of the receptacles 16 so that they can be seen as shown in Figure 4, accessible.
• the sealing ring 4 in the groove of the cartridge 3 seals the internal gear pumps 1 in the receptacles 16 in the hydraulic block 15.
• the exposed axial disc 1 1 is located at the bottom of the receptacle 16, the pressure field seal 13 is sealingly against the bottom of the receptacle 16.
• a pressure port hole 18 and a suction port hole 19 In the bottom of the receptacles 16 for the internal gear pump 1 open a pressure port hole 18 and a suction port hole 19.
• the pressure port hole 18 opens into the pressure field 12 of the exposed axial disc 1 1 in the open side of the cartridge 3, the housing 2 of the internal gear pump. 1 forms.
• Through the through hole 14 in the axial disc 1 1 and the pressure pad 12 communicates the pressure chamber of the internal gear pump 1 with the respective pressure port bore 18 which is sealed together with the pressure pad 12 through the pressure field seal 13.
• the suction connection bore 19 opens into the region which is recessed by the axial disk 1 1, so that the suction connection bore 19 with the
• Suction chamber 8 of the internal gear pump 1 communicates.
• One suction and one pressure Connection of the internal gear pumps 1 is accomplished in this way by the insertion of the internal gear pumps 1 in the receptacles 16 in the hydraulic block 15 including the sealing of the terminals.
• the hydraulic block 15 forms a housing of the two internal gear pumps 1 and is referred to here as a housing for differentiation from the cartridges 3, which also form a housing 2 of the internal gear pumps 1.
• the surrounding housing forming hydraulic block 15 the two pre-assembled as assemblies internal gear pump 1 with its housing 2 forming cartridges 3 are added.
• the internal gear pumps 1 are fastened in the receptacles 16, for example by caulking.
• the two internal gear pumps 1 are driven together with an electric motor 20 to which, if necessary, a gear is flanged.
• the electric motor 20 is placed on the receptacles 16, in which the two internal gear pumps 1 are inserted, and for example screwed to the hydraulic block 15.
• the electric motor 20 has a gearwheel 21 here designated as the gear wheel, which is located between the drive wheels 10 of the two internal gear pumps 1 and with two drive wheels 10 meshes when the electric motor 20 is fixed to the hydraulic block 15.
• To secure the position of the electric motor 20 has two projections 22 on both sides of the drive wheel 21, which are congruent to the mouths of the receptacles 16 for the internal gear pumps 1 and precisely fit into the receptacles 16 via the drive wheels 10.
• the projections 22 are formed on a flange plate 23 of the electric motor 20, which serves to secure the electric motor 20 to the hydraulic block 15.
• the position assurance can be made by a not shown coaxially or behind the drive wheel 21 diameter, which engages accurately into the central bore of the hydraulic block 15.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Transportation (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Fluid Mechanics (AREA)
• Rotary Pumps (AREA)
• Details And Applications Of Rotary Liquid Pumps (AREA)
• Regulating Braking Force (AREA)
• Valves And Accessory Devices For Braking Systems (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=49035574

Family Applications (1)

Country Status (7)

Cited By (1)

Families Citing this family (1)

Family Cites Families (13)

• 2012
  • 2012-10-19 DE DE102012219118.6A patent/DE102012219118A1/de active Pending
• 2013
  • 2013-08-21 EP EP13753160.4A patent/EP2909479A1/de not_active Withdrawn
  • 2013-08-21 KR KR1020157009980A patent/KR102093098B1/ko active IP Right Grant
  • 2013-08-21 US US14/436,529 patent/US9616868B2/en not_active Expired - Fee Related
  • 2013-08-21 WO PCT/EP2013/067349 patent/WO2014060136A1/de active Application Filing
  • 2013-08-21 CN CN201380054282.7A patent/CN104736848B/zh active Active
  • 2013-08-21 JP JP2015536031A patent/JP6271565B2/ja active Active

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