CN103228869A - Seal for the rotor of rotary piston machines - Google Patents

Seal for the rotor of rotary piston machines Download PDF

Info

Publication number
CN103228869A
CN103228869A CN2011800439827A CN201180043982A CN103228869A CN 103228869 A CN103228869 A CN 103228869A CN 2011800439827 A CN2011800439827 A CN 2011800439827A CN 201180043982 A CN201180043982 A CN 201180043982A CN 103228869 A CN103228869 A CN 103228869A
Authority
CN
China
Prior art keywords
piston
rotor
sealed member
seal
seal arrangement
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.)
Pending
Application number
CN2011800439827A
Other languages
Chinese (zh)
Inventor
E·京特
N·京特
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EN3 GmbH
Original Assignee
EN3 GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EN3 GmbH filed Critical EN3 GmbH
Publication of CN103228869A publication Critical patent/CN103228869A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • 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
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/22—Rotary-piston machines or engines of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member
    • 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
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
    • F01C1/344—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/005—Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements
    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/02—Radially-movable sealings for working fluids
    • F01C19/04—Radially-movable sealings for working fluids of rigid material
    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/08—Axially-movable sealings for working fluids
    • F01C19/085—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or engines, e.g. gear machines or engines
    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/10—Sealings for working fluids between radially and axially movable parts
    • 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
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/12—Sealing arrangements in rotary-piston machines or engines for other than working fluid
    • 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
    • F01C21/08—Rotary pistons
    • 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
    • F04C2240/20—Rotors

Landscapes

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

Abstract

The invention relates to a seal for the piston of rotary piston machines, which consists of two or more rotor segments which are arranged next to one another and which seals the joint/joints between the piston segments with respect to the working fluid. The present invention has the problem of increasing the static sealing action of the resting machine which is not in operation, in a way which is also achieved in machines of the reciprocating-piston type by way of new piston rings which are not worn.; The solution according to the invention of the problem is achieved by the fact that a film-like covering is laid from the outside over the joint between the piston halves, which film-like covering can have the width of both piston halves and is joined to the sealing elements for the radial sealing of the piston in such a way that the axial mobility of the piston halves with respect to one another is not impaired, but the joint between them is closed around the rotary piston in a sealed manner by fluid forces which act.

Description

The seal arrangement of the rotor of Wankel engine
Technical field
The present invention relates to a kind of system that is used for the piston of canned rotor piston engine/rotary piston machinery.
Background technique
For Wankel engine, become known for setting up the different technologies scheme of rotor seal.
The space system of Stamping Steel Ribbon is set around the piston of rotation in known Wankel engine like this, makes and axially upwards realizing with respect to the sealing of the flexible adjusting of housing on every side with the footpath.By this sealing system Wankel engine is used as the internally fired dynamic power machine that has under the Otto process condition.
Other known Wankel engine of great majority does not have flexible self-regulating sealing between piston that rotates and housing on every side.This makes them be not suitable in the dynamic power machine process as decompressor, and they are prior aries as the use of compressor.
Also known various Wankel engine with the piston that separates transverse to rotation axis can make piston half one back down mutually by spring thus like this, makes piston half one lean on the side of housing around and therefore forms face seal.Sealing between two piston half ones is born by other sealed member that is arranged in the seam areas.
Wankel engine with this piston that separates can be vane motor or rotary engine.
The invention particularly relates to the group of this Wankel engine.This group the piston that separates has following characteristic, and promptly they have good dynamic airtightness by described sealing system when motor moves, but static sealing only is faint when the motor off-duty.
Patent application DE 102006057003 A1 disclose a kind of sealing system of Wankel engine, its rotor is made up of the rotor sheet that is arranged side by side, these rotor sheets are backing down on the public rotor shaft and by the spring force and/or the combustion gas/gas force that act in the seam between rotor sheet so mutually, make that the rotor sheet end face that points to housing sidewall closely leans on housing sidewall and prevent that thus medium is near rotor shaft.Have the stack of laminations of being made up of movable molding sheet in the seam between rotor sheet, they adapt to the joint gap of variation and prevent that internal rotor from streaming.
Summary of the invention
The objective of the invention is, improve static sealing static, off-duty motor/machinery like this, make its as in the motor of stroke formula piston engine-structural type by new, unworn piston ring reached.
According to the present invention, the following realization of this purpose: the seam from the outside between piston half one is laid the covering of diaphragm type, this covering can have the width of two piston half ones and be connected with the Sealing that is used for piston radial sealing like this, make not mutual the being axially moveable property of limited piston half, but the seam between piston half one is closed hermetically by the fluid force of surrounding rotor piston action closely.
Description of drawings
With following example explanation the present invention.
Fig. 1 and Fig. 2 illustrate the seal arrangement of vane rotor,
Fig. 3 illustrates the seal arrangement of rotor of the rotary engine of wankel-structural type,
Fig. 4 illustrates the seal arrangement of the piston of the rotary engine with two corner pistons.
Embodiment
For Fig. 1 and Fig. 2:
Two piston half 1a of and 1b by the stage clip (not shown) roof pressure in the internal rotor on the sidewall of rotor housing and make them center on the sealing of central shaft (not shown).Blade 3 is by stage clip 4 radially outward roof pressures and rotor is sealed with respect to the housing working surface.Blade 3 has inner stage clip, and stage clip is axially outwards expanded blade simultaneously with respect to housing sidewall.Partitioning slot between piston half 1a of and the 1b covers by sealed member 5.
According to technological scheme of the present invention, the sealing parts are laid on piston half 1a of and the 1b like this, make piston half one to move in the axial direction and also can keep its sealing contact with respect to the housing side thus.
Sealed member 5 is in both sides protrude into receiving groove 2 among piston half 1a of and the 1b, and these sealed members crimp like this on the underpart makes them overlap and obtain being used for the supporting portion of the fluid-tight of stage clip 4 each other.
Sealed member 5 is made by the material of flexibility, and this material is impervious for mechanical fluid, and also has other characteristic simultaneously as chemistry and resistance heat with respect to fluid.
Cause the stage clip 4 of the radial pressure of radial seal also corresponding back pressure to be applied on the end of strip-type sealed member 5 simultaneously and prevent that therefore described strip-type sealed member from deviating from from receiving groove 2.
For Fig. 3 and Fig. 4:
Consistent according to this technological scheme of the present invention with the described technological scheme that is used for vane rotor.Sealed member 5,11 and 16 shape and quantity are drawn by the configuration of the piston of rotary engine and the quantity at piston angle.
Reference numerals list:
1 rotor
1a, 1b piston half one
The receiving groove of the blade in 2 rotors
3 blades
Stage clip below 4 blades 3
Sealed member on the partitioning slot between 5 blades
Partitioning slot between 6 rotor half
7 pistons, half 7a of, 7b
8 are used for the Stamping Steel Ribbon of piston radial sealing
Partitioning slot between 9 pistons, half one
Stage clip below 10 Stamping Steel Ribbons 8
Sealed member on the partitioning slot between 11 pistons, half one
12 sliding layer 12a, 12b on the piston side externally
13 pistons, half 13a of, 13b
Partitioning slot between 14 pistons, half one
15 are used for the Stamping Steel Ribbon of piston radial sealing
Sealed member on the partitioning slot between 16 pistons, half one

Claims (5)

1. seal arrangement that is used for the rotor of Wankel engine, wherein, rotor is separated transverse to rotation axis, wherein, spring makes the piston half (1a of, 1b) back down so mutually, make the piston half (1a of, 1b) lean on the side of housing around and form face seal, it is characterized in that, on the seam of rotor from the outside with flexibility, approach, tabular, strip-type, the sealed member of being made by the material that is suitable for working procedure (5,11,16) is laid on the rotor arching face of projection like this, make partitioning slot (6 between the rotor half (1a and 1b), 9,14) with respect to the sealing of the working fluid of motor and make piston half one that is positioned at below it (1a 1b) can axially move freely.
2. seal arrangement according to claim 1 is characterized in that, described sealed member (5,11,16) has the width more smaller than piston width.
3. seal arrangement according to claim 1 and 2 is characterized in that, described sealed member (5,11,16) is located bending at the receiving groove (2) of radial seal, makes sealed member reach bottom land thus in receiving groove always.
4. seal arrangement according to claim 3 is characterized in that, described sealed member (5,11,16) is crooked so again on the bottom land of receiving groove (2), makes sealed member be placed on the bottom land up and down stackedly.
5. according to each described seal arrangement in the claim 1 to 4, it is characterized in that, cause the stage clip (4 of the radial pressure of radial seal, 10) while also is applied to corresponding back pressure the described sealed member (5 of strip-type, 11,16) on the end and prevent that thus sealed member from deviating from from receiving groove (2).
CN2011800439827A 2010-09-17 2011-09-15 Seal for the rotor of rotary piston machines Pending CN103228869A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010040958A DE102010040958B3 (en) 2010-09-17 2010-09-17 Sealing of the rotor of rotary piston machines
DE102010040958.8 2010-09-17
PCT/EP2011/065985 WO2012035091A2 (en) 2010-09-17 2011-09-15 Seal for the rotor of rotary piston machines

Publications (1)

Publication Number Publication Date
CN103228869A true CN103228869A (en) 2013-07-31

Family

ID=44789427

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011800439827A Pending CN103228869A (en) 2010-09-17 2011-09-15 Seal for the rotor of rotary piston machines

Country Status (6)

Country Link
US (1) US20130183186A1 (en)
EP (1) EP2616683A2 (en)
JP (1) JP2013540938A (en)
CN (1) CN103228869A (en)
DE (1) DE102010040958B3 (en)
WO (1) WO2012035091A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156154A (en) * 2014-09-29 2015-12-16 摩尔动力(北京)技术股份有限公司 Swing sliding mechanism
CN106368809A (en) * 2016-10-20 2017-02-01 北京理工大学 Tiny rotor with radial sealing piece
CN110374874A (en) * 2019-07-29 2019-10-25 黄石东贝电器股份有限公司 A kind of multiple anti-leak spring-piece type slide block mechanism

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012011167A1 (en) 2012-06-05 2013-12-05 En3 Gmbh Rotary piston apparatus for steam engine, has working chamber that is arranged with moveable piston element and is coupled to discharge unit for discharging working medium from working chamber
WO2019145472A1 (en) 2018-01-26 2019-08-01 Allnex Netherlands Powder coating composition
KR102522994B1 (en) * 2021-10-28 2023-04-19 엘지전자 주식회사 Rotary compressor
KR102545597B1 (en) * 2022-01-14 2023-06-21 엘지전자 주식회사 Rotary compressor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1334906A (en) * 1920-03-23 keith
US1582922A (en) * 1921-08-09 1926-05-04 Freud Joseph Rotary pump
US3359956A (en) * 1966-04-19 1967-12-26 Curtiss Wright Corp Rotor construction for rotary engines
JPS50105614U (en) * 1974-02-02 1975-08-30
DE2632449A1 (en) * 1976-07-19 1978-04-27 Erich Paprotny Trochoidal IC engine with two seals - has each seal lining one side and peripheral half of piston
DE2840622A1 (en) * 1978-09-19 1980-05-29 Raimund August Sealing strip for rotary IC engine - has triangular toothed connection to cylinder to eliminate leakage
US4308002A (en) * 1979-10-25 1981-12-29 Alfonso Di Stefano Wankel-type engine with semi-circular sectional configuration for chamber end surface
JPS56135778A (en) * 1980-03-25 1981-10-23 Diesel Kiki Co Ltd Method of manufacturing compressor rotor
JPS6021134A (en) * 1983-07-16 1985-02-02 Nippon Piston Ring Co Ltd Production of rotor for rotary type fluid pump
DE102006057003A1 (en) * 2006-12-02 2008-06-05 GÜNTHER, Eggert Principle and system for sealing the piston of rotary piston engines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156154A (en) * 2014-09-29 2015-12-16 摩尔动力(北京)技术股份有限公司 Swing sliding mechanism
CN106368809A (en) * 2016-10-20 2017-02-01 北京理工大学 Tiny rotor with radial sealing piece
CN110374874A (en) * 2019-07-29 2019-10-25 黄石东贝电器股份有限公司 A kind of multiple anti-leak spring-piece type slide block mechanism

Also Published As

Publication number Publication date
US20130183186A1 (en) 2013-07-18
JP2013540938A (en) 2013-11-07
DE102010040958B3 (en) 2012-03-15
EP2616683A2 (en) 2013-07-24
WO2012035091A2 (en) 2012-03-22
WO2012035091A3 (en) 2013-05-16

Similar Documents

Publication Publication Date Title
CN103228869A (en) Seal for the rotor of rotary piston machines
CN101558218B (en) System for sealing the piston of rotary piston machines
CN103403412B (en) For the reciprocal and black box of rotation application
RU2579428C2 (en) Elliptical seal
US7896630B2 (en) Rotary device with reciprocating vanes and seals therefor
CN102362109A (en) Shaft seal device
CN104379877A (en) Seal between static turbine parts
JP2010511822A5 (en)
CN103917809A (en) Coiled felt seal(CFS) sealed piston of hydraulic cylinder
JP2017500509A (en) Single seal ring stuffing box
RU2007139702A (en) IMPROVED DRIVING UNIT ON A FLUID MEDIUM FOR APPLICATION INSIDE A TURBO MACHINE
JP2014105876A (en) Seal device for sealing reciprocation piston rod of piston compressor
JP2020530542A5 (en)
CN107208806B (en) Mechanically-sealing apparatus, double seals device and double end-face mechanical sealing device
CN107075964B (en) Gap control type seal construction and turbine
CA2190193C (en) Sealing unit with axial brushes controlled by static pressure in axial movement
CN113825916A (en) Shaft-cylinder assembly for high temperature operation
CA2782794A1 (en) Apex seal for rotary internal combustion engine
CN105370325A (en) Shaft sealing system and exhaust gas turbocharger
US20130028773A1 (en) Apex seal for rotary internal combustion engine
US20220136505A1 (en) Sealing system for a rotary-piston compressor
CN206503932U (en) A kind of mechanical seal for pump
JP2005240932A (en) Sealing device
CN1884836A (en) Sealed volumetric vane pump
JP4143786B2 (en) Sealing device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130731