CN109923312A - Variable displacement turbine and thermomechanical energy conversion system comprising this turbine - Google Patents
Variable displacement turbine and thermomechanical energy conversion system comprising this turbine Download PDFInfo
- Publication number
- CN109923312A CN109923312A CN201780061634.XA CN201780061634A CN109923312A CN 109923312 A CN109923312 A CN 109923312A CN 201780061634 A CN201780061634 A CN 201780061634A CN 109923312 A CN109923312 A CN 109923312A
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- China
- Prior art keywords
- turbine
- scroll portion
- substrate
- fastening
- removable
- 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.)
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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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/18—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Control Of Turbines (AREA)
Abstract
Turbine according to the present invention includes: fastening scroll portion (7F) and removable scroll portion (7M), the fastening scroll portion and removable scroll portion have the spiral wall being nested with one another, and removable scroll portion can be realized the orbital rotational motion of the central axis (AA) relative to fastening scroll portion；And fluid chamber (7V), it is formed by the available space between fastening scroll portion and the spiral wall of removable scroll portion.According to the present invention, turbine includes constant temperature actuating type volume variator (72), its useful volume that can heat axial displacement (d) the Lai Xiugai fluid chamber of substrate (720) by reducing cavity volume, the reduction cavity volume are packed between fastening scroll portion and the spiral wall of removable scroll portion with heating substrate.
Description
Technical field
The present invention relates to a kind of variable displacement helical turbines, also referred to as variable displacement vortex turbines.The present invention
A kind of thermomechanical energy conversion system is further related to, equipped with this vortex turbines with expanding machine mode operation, the heat engine
Tool energy conversion system is used in particular for recycling such as land transport device, railway transportation device, marine transportation device and aviation
The thermal energy of the exhaust gas of the Thermal Motor of the various transport devices of transport device.
Background technique
In Thermal Motor formula transport device, most of energy of fuel is lost in the form of dissipated heat.Therefore, exist
In Thermal Motor, fuel is about 53% with the energy that form of heat is lost.It, can part by using Rankine thermo-mechanical cycle
The loss heat of ground recycling Thermal Motor is simultaneously converted into hydraulic energy, mechanical or electrical energy.
Referring to Fig.1, it is known that a kind of thermomechanical energy conversion system 1 allows to recycle the heat of the exhaust gas EG of Thermal Motor
Amount, the heat is converted into mechanical energy ME by scroll expander 2.Exhaust gas EG is used as calorie source with will be all in evaporator 3
As the working fluid WA of water or refrigerant is changed into steam.Evaporator is passed through by the working fluid WA that working fluid pump 4 pressurizes
3, to be converted into high steam HPV and being heated by exhaust gas EG.Steam under pressure HPV is guided and is depressured in scroll expander 2
Expansion is to provide function.By being mechanically coupled to the rotation of the axis 20 of removable scroll portion (volute) (not shown) of expanding machine 2,
The function is recycled in the form of mechanical energy ME.The decompression steam for leaving scroll expander 2 can be in expanding machine through recycling dress
It sets 5 partly to recycle, which is formed by working fluid-steam separator 50 and pump 51.The recycling is for being
The operation of system is not essential, but it can bring effect by the decompression for the steam for completing therefore to provide additional function
Rate improves.Decompression steam completes its condensation in the condenser 6 equipped with cooling device 60 in the form of working fluid.Condenser 6
Outlet working fluid is supplied to pump 4 to continue energy conversion cycle.Available mechanical energy ME can directly use or by
Rotating electric machine is converted into electric energy.
When this thermomechanical energy conversion system with scroll expander is implanted in motor vehicles, it is necessary that,
The useful volume of scroll expander allows for the service life state according to vehicle and modifies and adjust.In fact, according to vehicle
Life situations, the thermal energy variation for including in exhaust gas.Therefore, scroll expander should be able to be in different best operating points
In the case of work, to obtain good energy recovery efficiency and to avoid the underexpansion for being known to make the efficiency degradation of system
Or excessive swelling.
Pass through existing technical literature FR2991403, it is known that a kind of variable displacement vortex turbines.In the turbine,
Hydraulic actuating unit is provided, control removable scroll portion relative to the displacement of fastening scroll portion and therefore allows to adjust turbine
The useful volume of machine.
Summary of the invention
The present invention is intended to provide a kind of novel variable displacement vortex turbines, to provide for designer using existing
There is the alternative solution of the variable displacement vortex turbines of technology.
According in a first aspect, the present invention relates to a kind of variable displacement Scrawl turbines comprising have and be nested with one another
Spiral wall fastening scroll portion and removable scroll portion, which can be realized relative in fastening scroll portion
The orbital rotational motion of mandrel line；And fluid chamber, the fluid chamber by fastening scroll portion and removable scroll portion spiral
Available space between wall is formed.According to the present invention, turbine includes constant temperature actuating type volume variator, can pass through reduction
Cavity volume changes the useful volume of fluid chamber, reduction cavity volume heating substrate with the axial displacement of heating substrate
Between fastening scroll portion and the spiral wall of removable volume scroll portion.
Specific features in accordance with the invention, variator include the fastening positioned at substrate and the fastening scroll portion for carrying turbine
Thermoplastic material layer between the inner face of shell.
According to specific embodiment, the thermoplastic material layer is wax layer.
Another special characteristic according to the present invention, substrate include at least one heating element in the form of resistance, are used
In the continuous axial displacement of the temperature modification and substrate of control thermoplastic material layer.
Another special characteristic according to the present invention, variator include at least one mechanical guiding bar, are slidably mounted
In the corresponding aperture of the rugged housing of turbine, while there is the first end for being mechanically fastened to substrate and the separate substrate simultaneously
The second end of the outside of rugged housing is led to, at least one mechanical guiding sliding bar and corresponding aperture are parallel to central axis.
Another special characteristic according to the present invention, at least one mechanical guiding sliding bar, which has, at least to be passed through by electric wire
Hollow structure, the electric wire are used to for resistance being connected to the current supply unit of variator.
According to specific embodiment, variator includes at least two mechanical guiding sliding bars.
According to another aspect, the present invention relates to a kind of thermomechanical energy conversion system, discharge hot waste gas can be mounted on
Transport device in, the system include according to Rankine thermodynamic cycle operate operating fluid loop, which includes: the first work
Make fluid pump；Evaporator, receives pressurized working fluid, which is provided by the first working fluid pump and in evaporator
In heated in the form of being changed into high steam by exhaust gas；Vortex turbines are run as expanding machine, and reception is mentioned by evaporator
The function of steam is simultaneously converted into the available mechanical energy in the rotary shaft of turbine by the high steam of confession；And condenser, it connects
The decompression steam provided by turbine and the entrance that provided working fluid is transported to the first working fluid pump are provided.According to this
Invention, turbine is Scrawl turbine according to the present invention as described briefly above.
According to another special characteristic, which includes steam recycle device associated with turbine, and including work
Make fluid-steam separator and the second pump.
The invention further relates to a kind of transport devices of such as motor vehicles, equipped with the thermomechanical energy being briefly described above
Measure converting system.
Detailed description of the invention
By reading the description of following multiple specific embodiments to vortex turbines according to the present invention, of the invention its
He will more clearly show advantages and features, in which:
- Fig. 1 is to show the structure of the thermomechanical energy conversion system of thermal energy of the exhaust gas for recycling transport device
Functional block diagram；
- Fig. 2A is the simplification section view of the variable displacement vortex turbines according to the present invention in full power capacity state
Figure；
- Fig. 2 B is that the simplification in the variable displacement vortex turbines according to the present invention for reducing power capacity state is cutd open
View；
- Fig. 2 C is the partial enlarged view of the part B of the cross-sectional view of Fig. 2A；And
- Fig. 3 is to show to use including the reduction cavity volume in the variable displacement vortex turbines of Fig. 2A and Fig. 2 B
Heat the perspective view of substrate.
Specific embodiment
Referring to Fig. 2A to 2C and Fig. 3, the specific embodiment of vortex turbines 7 according to the present invention will now be described.It should infuse
Meaning, turbine 7 is intentionally indicated by part and in a manner of simplifying herein, while being essentially shown related to the present invention
The functional component of turbine, in order to understand turbine 7.
As in figs. 2 a and 2b, turbine 7 includes fastening scroll portion 7F and removable scroll portion 7M, scroll portion shell
70F and 70M, fluid inlet/outlet nozzle 71 and constant temperature actuating type volume variator 72.It will be referring more particularly to Fig. 2 C and figure
The 3 constant temperature actuating type volume of detailed description further below variator 72 in the description.
Traditionally, fastening scroll portion 7F and removable scroll portion 7M is the spire being nested with one another, and which defines by fastening
The fluid chamber 7V that available space between scroll portion 7F and the spiral wall of removable scroll portion 7M is formed.Fluid chamber 7V according to
Turbine 7 becomes fluid displacement expansion or volume compression chamber as expanding machine or compressor operation.
The section view of Fig. 2A and Fig. 2 B shows the section of the spiral wall of scroll portion 7F and 7M.
The spiral wall of scroll portion 7F is placed on the inner face of scroll portion shell 70F, in this embodiment, the spiral shell of scroll portion 7F
Spirotheca and inner face form single-piece.Scroll portion shell 70F includes aperture 700F, for by screw that scroll portion shell 70F is mechanical
It is fastened to supporting element.
The spiral wall of scroll portion 7M is placed on the inner face of scroll portion shell 70M.Scroll portion shell 70M is for allowing:
In the state that removable scroll portion 7M is nested with fastening scroll portion 7F, scroll portion 7M is moved around the center of fastening scroll portion 7F
Axis AA carries out orbital rotational motion.
Sealing element 71F and 71M are respectively arranged at the top of the wall of scroll portion 7F and 7M.These sealing elements 71F and 71M
Respectively with the corresponding inner faces contact of shell 70M and 70F, to form chamber 7V in a sealing manner, chamber 7V only has two
A fluid inlet/outlet, one in two fluid inlet/outlets another for high-pressure fluid to be used for low-pressure fluid.
One in these fluid inlet/outlets, i.e. spout 71 are illustrated only in Fig. 2A and Fig. 2 B.Turn in energy as shown in Figure 1
It changes in system 1, the turbine 7 integrated in such systems is run as expanding machine, and therefore, spout 71 constitutes high steam
The entrance of HPV.
Referring more particularly to Fig. 2 C and Fig. 3, constant temperature actuating type volume variator 72 will now be described in more detail.
In this particular example, constant temperature actuator volume variator 72, which generallys include, reduces cavity volume heating substrate
720, two mechanical guiding sliding bars 721a and 721b, thermoplastic material layer 722 and current supply unit 723.
As shown in figure 3, substrate 720 has almost circular shape, and including helical cuts 720a and solid section
720b, helical cuts 720a allow the wall for fastening scroll portion 7F to be inserted into helical cuts 720a.As shown in Figure 2 A and 2 B,
Solid section 720b is used to cooperate in the space of the chamber 7V between fastening scroll portion 7F and the wall of removable scroll portion 7M.
At the solid section 720b in the circumferential zones of substrate 720, substrate 720 pass through two bars 721a and 721b the
One end is mechanically connected to two bars 721a and 721b.Two bars 721a and 721b are parallel to central axis AA and perpendicular to substrate
720 plane.Here, bar 721a and bar 721b are symmetrically arranged relative to central axis AA.As shown in Figure 2 A and 2 B, bar
721a and bar 721b is parallel to axis AA and is slidably mounted in the corresponding aperture 701F and 702F of rugged housing 70F.
As shown in the amplification B of Fig. 2 C, thermoplastic material layer 722 is installed in the (solid section of substrate 720 of substrate 720
720b) between the inner face of shell 70F.Thermoplastic material layer 722 and the solid section 720b of substrate 720 occupy the appearance of chamber 7V
Long-pending a part.In the embodiments described herein, the thermoplastic material 722 used is wax.Certainly, in whirlpool according to the present invention
Other kinds of thermoplastic material can be used in the other embodiments of turbine.
The resistance 724 for constituting heating element is integrated in substrate 720 and is supplied by electric wire 725 by current supply unit 723
Answer electric current.Electric wire 725 is directed to resistance 724 from unit 723 via two mechanical guiding sliding bar 721a and 721b.Herein,
These bars 721a, 721b have the hollow tubular structure for allowing line 725 to pass through.Electrical connecting element 721R (Fig. 2A, Fig. 2 B) setting
For the line 725 at the second end of bar 721a, bar 721b, the second end is far from the bar for being mechanically connected to substrate 720
The first end of 721a, bar 721b.
Referring to Fig. 3, the embodiment of turbine according to the present invention, resistance 724 can be distributed in substrate 720 with different location
In, and by isolation and be embedded into or the electric wire of overmolded (surmoul é) is connected to each other in the thickness of substrate 720.Also answer
It is noted that these resistance 724 can be connected according to for example in parallel, series connection or the various configurations of series/parallel.
According to the present invention, the variation of the useful volume of the chamber 7V of vortex turbines 7 is by substrate 720 along axis AA
(the distance d) in Fig. 2 B is obtained axial displacement.This displacement of substrate 720 is by thermoplasticity wax layer 722 according to its temperature
Expansion/contraction and obtain.The temperature of wax layer 722 is controlled by resistance 724.It can also be used in some embodiments of the invention
It is introduced into the temperature of the high steam HPV in chamber 7V, to control expansion/contraction of wax layer 722.The electric current for adjusting resistance 724 supplies
It should be to obtain desired axial displacement d by the expansion of wax/contraction.As shown in Figure 2 A and 2 B, current supply unit 723 and example
Such as the communication link com interface of LIN or CAN type, to allow to control by the electronic control unit of vehicle to resistance 724
Electric current supply and the useful volume for therefore controlling chamber 7V.
When temperature decline and wax contraction, by the pressure of steam HPV by the inner face of 720 guide housings 70F of substrate, thus
The useful volume of chamber 7V is allowed to increase.
It is noted that the quantity of mechanical guiding sliding bar is not necessarily two, only embodiment example here.It is verifiable
It is that in low power applications, the single sliding bar of the larger diameter of centrally disposed region (axis AA) nearby is for substrate
Correct operation is enough.
In fig. 2, substrate 720 is shown in retracted position and pressing forms the stop part 703F of the inner face of shell 70F
The convex shoulder of (Fig. 2 C).At this location, the useful volume of chamber 7V is in its maximum value, and therefore, and the configuration of turbine 7 is helped
Power capacity.
In fig. 2b, convex shoulder distance of axial displacement d of the substrate 720 relative to the stop part 703F for forming rugged housing 70F
And continuously reduce the useful volume of chamber 7V.Therefore, turbine 7 is configured to reduce power capacity.By adjustable range d, because
The volume of this adjustable vortex turbines 7 is to obtain best operating point.Under expander mode, vortex whirlpool according to the present invention
Turbine 7 allows for good energy recovery efficiency in the thermomechanical energy conversion system of Fig. 1.
Certainly, the particular implementation of the invention is not limited thereto vortex turbines according to the present invention that place is illustrated by way of example
Example.Application according to the present invention, those skilled in the art fall into scope of the claims appended hereto to the present invention
Various modifications and variations.
Claims (10)
1. a kind of variable displacement turbine comprising fastening scroll portion (7F) and removable scroll portion (7M), the fastening whirlpool
Rotation portion and the removable scroll portion have a spiral wall being nested with one another, the removable scroll portion (7M) can be realized relative to
The orbital rotational motion of the central axis (AA) of fastening scroll portion (7F)；And fluid chamber (7V), by the fastening
Available space between scroll portion (7F) and the spiral wall of the removable scroll portion (7M) is formed, which is characterized in that institute
Stating turbine includes constant temperature actuating type volume variator (72), can be by reducing cavity volume heating substrate (720)
Axial displacement (d) modifies the useful volume of the fluid chamber (7V), and the reduction cavity volume is packed into institute with heating substrate
It states between fastening scroll portion (7F) and the spiral wall of the removable scroll portion (7M).
2. turbine according to claim 1, which is characterized in that the variator (72) includes being located at the substrate
(720) the thermoplasticity material between the inner face of the rugged housing (70F) of the fastening scroll portion (7F) of the carrying turbine
The bed of material (722).
3. turbine according to claim 2, which is characterized in that the thermoplastic material layer is wax layer (722).
4. turbine according to claim 2 or 3, which is characterized in that the substrate (720) includes with resistance (724)
At least one heating element of form, at least one described heating element are used to control the temperature of the thermoplastic material layer (722)
The continuous axial of degree variation and the substrate (720) is displaced (d).
5. turbine according to any one of claim 2 to 4, which is characterized in that the variator (72) includes at least
One mechanical guiding sliding bar (721a, 721b), at least one described mechanical guiding sliding bar are slidably mounted in the whirlpool
In the corresponding aperture (701F, 702F) of the rugged housing (70F) of turbine, and has and be mechanically fastened to the substrate (720)
First end and far from the substrate (720) and lead to the rugged housing (70F) outside the second end, it is described extremely
A few mechanical guiding bar (721a, 721b) and the corresponding aperture (701F, 702F) are parallel to the central axis (AA).
6. according to turbine described in claim 4 and 5, which is characterized in that at least one described mechanical guiding sliding bar
(721a, 721b) has the hollow structure at least passed through by electric wire (725), and the electric wire is used to for the resistance being connected to described
The current supply unit (723) of variator (72).
7. the turbine according to any one of claim 5 or 6, which is characterized in that the variator (72) includes at least
Two mechanical guiding sliding bars (721a, 721b).
8. a kind of thermomechanical energy conversion system can be mounted in the transport device of discharge hot waste gas, the system comprises
According to the operating fluid loop that Rankine thermodynamic cycle is run, the circuit includes the first working fluid pump (4)；Evaporator (3),
It receives pressurized working fluid (WA), and the pressurized working fluid is by the first pump (4) supply and in the evaporator (3)
It is heated by the exhaust gas (EG) to be converted into the form of high steam (HPV)；Turbine, as expanding machine run, receive by
The function of the steam (HPV) is simultaneously converted into the turbine by the high steam (HPV) of evaporator (3) supply
Available mechanical energy (ME) in rotary shaft (20)；And condenser (20), receive the decompression steam supplied by the turbine
And the working fluid (WA) supplied is transported to the entrance of first working fluid pump (4), which is characterized in that described
Turbine is turbine according to any one of claim 1 to 7 (7).
9. system according to claim 8, which is characterized in that filled including steam recycle associated with the turbine
Set (5) and including working fluid-steam separator (50) and the second pump (51).
10. a kind of transport device of such as motor vehicles, which is characterized in that including according to any one of claim 8 or 9
Thermomechanical energy conversion system.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1659501 | 2016-10-03 | ||
| FR1659501A FR3057035B1 (en) | 2016-10-03 | 2016-10-03 | VARIABLE VOLUME TURBINE AND THERMOMECHANICAL ENERGY CONVERSION SYSTEM INCORPORATING IT |
| PCT/FR2017/052376 WO2018065686A1 (en) | 2016-10-03 | 2017-09-07 | Variable-volume turbine and thermo mechanical energy conversion system incorporating same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109923312A true CN109923312A (en) | 2019-06-21 |
Family
ID=57860991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780061634.XA Pending CN109923312A (en) | 2016-10-03 | 2017-09-07 | Variable displacement turbine and thermomechanical energy conversion system comprising this turbine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3519698A1 (en) |
| CN (1) | CN109923312A (en) |
| FR (1) | FR3057035B1 (en) |
| MA (1) | MA46323A (en) |
| WO (1) | WO2018065686A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2592657A (en) * | 2020-03-05 | 2021-09-08 | Edwards Ltd | Scroll pump apparatus and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0302245A1 (en) * | 1987-08-03 | 1989-02-08 | BBC Brown Boveri AG | Water-cooling system for a supercharged internal-combustion engine |
| JPH06288362A (en) * | 1993-04-08 | 1994-10-11 | Hitachi Ltd | Scroll type compressor |
| CN103119300A (en) * | 2010-07-29 | 2013-05-22 | 皮尔伯格泵技术有限责任公司 | Variable-displacement lubricant vane pump |
| CN203022910U (en) * | 2012-12-29 | 2013-06-26 | 吴海强 | Car radiator energy recovering device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6736621B2 (en) * | 2002-10-04 | 2004-05-18 | Scroll Technologies | Scroll compressor with adjustable capacity |
| JP2005155568A (en) * | 2003-11-28 | 2005-06-16 | Daikin Ind Ltd | Scroll fluid machine |
| DE102011121365B4 (en) * | 2011-12-19 | 2013-12-19 | Robert Bosch Gmbh | Spiral compressor with axially displaceable spiral blade |
| FR2991403B1 (en) | 2012-06-04 | 2014-07-11 | Peugeot Citroen Automobiles Sa | SPIRIO-ORBITAL COMPRESSION DEVICE WITHOUT CLUTCH AT CONTINUOUSLY VARIABLE POWER, AND HEATING AND / OR AIR CONDITIONING INSTALLATION THEREFOR |
-
2016
- 2016-10-03 FR FR1659501A patent/FR3057035B1/en not_active Expired - Fee Related
-
2017
- 2017-09-07 WO PCT/FR2017/052376 patent/WO2018065686A1/en active Application Filing
- 2017-09-07 CN CN201780061634.XA patent/CN109923312A/en active Pending
- 2017-09-07 MA MA046323A patent/MA46323A/en unknown
- 2017-09-07 EP EP17771816.0A patent/EP3519698A1/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0302245A1 (en) * | 1987-08-03 | 1989-02-08 | BBC Brown Boveri AG | Water-cooling system for a supercharged internal-combustion engine |
| JPH06288362A (en) * | 1993-04-08 | 1994-10-11 | Hitachi Ltd | Scroll type compressor |
| CN103119300A (en) * | 2010-07-29 | 2013-05-22 | 皮尔伯格泵技术有限责任公司 | Variable-displacement lubricant vane pump |
| CN203022910U (en) * | 2012-12-29 | 2013-06-26 | 吴海强 | Car radiator energy recovering device |
Non-Patent Citations (1)
| Title |
|---|
| ARNAUD LEGROS 等: "Modelling, sizing and testing a scroll expander for a waste heat recovery application on a gasoline engine", 《IOP CONFERENCE SERIES:MATERIALS SCIENCE AND ENGINEERING》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2592657A (en) * | 2020-03-05 | 2021-09-08 | Edwards Ltd | Scroll pump apparatus and method |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3057035B1 (en) | 2019-11-22 |
| MA46323A (en) | 2019-08-07 |
| WO2018065686A1 (en) | 2018-04-12 |
| FR3057035A1 (en) | 2018-04-06 |
| EP3519698A1 (en) | 2019-08-07 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190621 |