EP3384132A1 - Schraubenspindelmaschine - Google Patents
SchraubenspindelmaschineInfo
- Publication number
- EP3384132A1 EP3384132A1 EP16793802.6A EP16793802A EP3384132A1 EP 3384132 A1 EP3384132 A1 EP 3384132A1 EP 16793802 A EP16793802 A EP 16793802A EP 3384132 A1 EP3384132 A1 EP 3384132A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- filling channel
- channel
- adhesive gap
- fluid chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000853 adhesive Substances 0.000 claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 5
- 238000013022 venting Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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
- F04C2/08—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
- 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
-
- 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
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
- F04C2/165—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes
-
- 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
- F04C2240/30—Casings or housings
-
- 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
- F04C2240/80—Other components
- F04C2240/801—Wear plates
Definitions
- the invention relates to a screw machine with a arranged between the housing end caps housing middle part of metal, which forms a fluid chamber for receiving several housed in the Gezzausendkappen screw spindles, glued into the middle part of the insert, which forms a wear-resistant running surface for the screw spindles on the inner wall of the fluid chamber and delimits an adhesive gap with the inner surface of the housing middle part, and with at least one filling channel leading from an outer surface of the housing middle part to the adhesive gap.
- a screw machine of this type for example a screw pump or a screw compressor is described.
- the middle part of the housing is formed of two metal shells which are clamped tightly together and which each form one half of the fluid chamber.
- the wear-resistant layer on the inner surface of the fluid chamber is formed by a glued insert of silicon carbide.
- the Be SheUkanal adhesive is then pressed into the adhesive gap, so that the insert is firmly held in the middle part of the housing after setting of the adhesive.
- the BeglaUkanal leads from the peripheral surface of the middle part of the housing radially inwardly 5 to the adhesive gap.
- the object of the invention is to provide a screw machine with improved leakage safety.
- the BeyogUkanal extends in the axial direction of the housing from an end face of the middle part of the housing into the region of the adhesive gap, which is then cut through the BeyogUkanal.
- a circumferential seal is provided, which is outside the cross section of the fluid chamber runs and also includes the opening of the filling channel, whereby a particularly effective sealing of the filling channel is achieved.
- Fig. 1 is a partially broken perspective view of a part of a
- Figure 2 is an end view of a central part of the housing.
- FIG. 3 is a section along the line III-III in Fig. 2; and FIG. 4 shows a sectional view analogous to FIG. 3, but for a state during the gluing of an insert into the middle part of the housing.
- a half-shell 10 of a middle part 12 of a screw machine is shown.
- the half-shell 10 and a half shell 14 (FIG. 2) complementary thereto are made of cast metal and are joined together to form the complete middle part 12 and are connected to one another, for example by bolts.
- the housing middle part can also be formed in one piece.
- a fluid chamber 16 which extends over the entire length and which has a uniform cross section along its length is formed. As can be seen more clearly in Fig. 2, the cross section of the fluid chamber 16 is formed by three overlapping circles, of which the middle has a larger diameter than the two remaining circles.
- the fluid chamber 16 accommodates three parallel, mutually meshing screw spindles whose circumference corresponds in each case to one of the three circles of the cross section.
- the inner surface of the fluid chamber 16 is formed by an insert 18 made of wear-resistant ceramic, for example of silicon carbide.
- the insert 18 has an octagonal outer contour in cross-section and forms an adhesive gap 20 with a complementary inner contour of the half-shells 10, 14.
- the adhesive gap 20 in the interior of the housing middle part 12 has a slightly larger outer cross-section than at the opposite ends.
- the housing middle part 12 has at its opposite ends in each case a cylindrical centering section 22 for a housing end cap 24 which adjoins the middle part of the housing (FIG. 3).
- Fig. 1 can be seen in the end face of the Zentrierab- section 22 one end of a Be hypolkanals 26, the height of the left in Fig. 1 and 2 left vertex of the fluid chamber 16 leads out of the end of the adhesive gap 20 in the interior of the middle part 12 and then further cuts on the inside of the extended part of the adhesive gap, as can be seen in Fig. 2 and 3.
- a vent channel 28 is arranged in a corresponding manner, which intersects the opposite vertex of the fluid chamber 16.
- both the opening of the filling channel 26 and the opening of the venting channel 28 are outside the outer contour of the adhesive gap.
- circumferential seals 30 are arranged radially outwardly the BechirUkanals 26 and the vent channel 28 extend, in the example shown also radially outside the respective centering portion 22nd
- the inner surface of the insert 18 forms with appropriate holes 32 of the housing end caps 24 an inner contour for receiving the screw spindles, not shown here, which are mounted pressure-tight in the housing end caps 24.
- the adhesive gap 20 can be filled via the filling channel 26 with adhesive, while the displaced air escapes through the vent passage 28.
- the locking pads 34 can be removed and the housing completed in the manner shown in FIG. 3, with the housing end caps 24 providing reliable sealing of the breather conduit 26 and the breather conduit 28.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Rotary Pumps (AREA)
- Coating Apparatus (AREA)
- Sealing Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15196916.9A EP3173578A1 (de) | 2015-11-30 | 2015-11-30 | Schraubenspindelmaschine |
PCT/EP2016/076481 WO2017092958A1 (de) | 2015-11-30 | 2016-11-03 | Schraubenspindelmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3384132A1 true EP3384132A1 (de) | 2018-10-10 |
EP3384132B1 EP3384132B1 (de) | 2022-06-01 |
Family
ID=54754493
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15196916.9A Withdrawn EP3173578A1 (de) | 2015-11-30 | 2015-11-30 | Schraubenspindelmaschine |
EP16793802.6A Active EP3384132B1 (de) | 2015-11-30 | 2016-11-03 | Schraubenspindelmaschine |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15196916.9A Withdrawn EP3173578A1 (de) | 2015-11-30 | 2015-11-30 | Schraubenspindelmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US10718328B2 (de) |
EP (2) | EP3173578A1 (de) |
JP (1) | JP6706673B2 (de) |
CN (1) | CN108291446B (de) |
WO (1) | WO2017092958A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1451711A1 (de) * | 1963-09-26 | 1969-01-09 | Daimler Benz Ag | Gehaeusemantel einer Rotationskolben-Brennkraftmaschine |
US3354537A (en) * | 1965-12-01 | 1967-11-28 | Walter J O'connor | Renewable moineau-type pumping mechanism |
CN2345737Y (zh) * | 1998-08-24 | 1999-10-27 | 中国船舶工业总公司第七研究院第七一一研究所 | 螺杆泵 |
RU2282063C1 (ru) * | 2005-09-01 | 2006-08-20 | Виктор Павлович Шлапацкий | Роторная машина |
CN101307674B (zh) * | 2007-05-14 | 2010-12-15 | 伍成林 | 一种长寿螺旋换能设备 |
WO2009012837A1 (de) | 2007-07-24 | 2009-01-29 | Brinkmann Pumpen K.H. Brinkmann Gmbh & Co. Kg | Verfahren zur herstellung eines maschinengehäuses mit oberflächengehärteter fluidkammer |
DE102009049311B4 (de) * | 2009-10-14 | 2012-11-29 | Brinkmann Pumpen K.H. Brinkmann Gmbh & Co. Kg | Schraubenspindelmaschine und Verfahren zu ihrer Herstellung |
-
2015
- 2015-11-30 EP EP15196916.9A patent/EP3173578A1/de not_active Withdrawn
-
2016
- 2016-11-03 US US15/764,499 patent/US10718328B2/en active Active
- 2016-11-03 EP EP16793802.6A patent/EP3384132B1/de active Active
- 2016-11-03 JP JP2018525689A patent/JP6706673B2/ja active Active
- 2016-11-03 CN CN201680069660.2A patent/CN108291446B/zh active Active
- 2016-11-03 WO PCT/EP2016/076481 patent/WO2017092958A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN108291446B (zh) | 2021-03-02 |
WO2017092958A1 (de) | 2017-06-08 |
US10718328B2 (en) | 2020-07-21 |
CN108291446A (zh) | 2018-07-17 |
JP2018534475A (ja) | 2018-11-22 |
EP3384132B1 (de) | 2022-06-01 |
JP6706673B2 (ja) | 2020-06-10 |
EP3173578A1 (de) | 2017-05-31 |
US20180291893A1 (en) | 2018-10-11 |
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