JP2012077704A - スクリュ膨張機 - Google Patents
スクリュ膨張機 Download PDFInfo
- Publication number
- JP2012077704A JP2012077704A JP2010224945A JP2010224945A JP2012077704A JP 2012077704 A JP2012077704 A JP 2012077704A JP 2010224945 A JP2010224945 A JP 2010224945A JP 2010224945 A JP2010224945 A JP 2010224945A JP 2012077704 A JP2012077704 A JP 2012077704A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- air supply
- screw expander
- pressure
- flow path
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/34—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes
- F01D1/38—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes of the screw type
-
- 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
- F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
- F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
- F01C1/14—Rotary-piston machines or engines 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
- F01C1/16—Rotary-piston machines or engines 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
-
- 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
- F01C20/00—Control of, monitoring of, or safety arrangements for, machines or engines
- F01C20/24—Control of, monitoring of, or safety arrangements for, machines or engines characterised by using valves for controlling pressure or flow rate, e.g. discharge valves
- F01C20/26—Control of, monitoring of, or safety arrangements for, machines or engines characterised by using valves for controlling pressure or flow rate, e.g. discharge valves using bypass channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids 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
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids 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
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/20—Flow
- F04C2270/205—Controlled or regulated
-
- 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
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/21—Pressure difference
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
【解決手段】ケーシング11内に形成したロータ室12に互いに咬合する雌雄一対のスクリュロータ13,14を収容し、給気流路15からロータ室12に供給される高圧の気体の膨張力をスクリュロータ13,14によって回転力に変換し、排気流路16に膨張した低圧の気体を排気するスクリュ膨張機1に、ロータ室内12の空間であって、給気流路15および排気流路16からスクリュロータ13,14によって隔離され得る中間圧力部と、高圧の気体が供給されるバイパス流路19とを連通させられるバルブ機構6と、給気流路15の圧力の排気流路16の圧力に対する比である運転膨張比に応じて、バルブ機構6を制御する制御手段とを設ける。
【選択図】図2
Description
2…凝縮器
3…ポンプ
4…蒸発器
5…循環流路
6,6a,6b,6c…ピストンバルブ(バルブ機構)
7…吸気弁
8…排気弁
9…発電機
10…制御装置
11…ケーシング
12…ロータ室
13,14…スクリュロータ
15…給気流路
16…排気流路
17…柱状空間
17a…機能端面
17b…駆動部
18…ピストン
19…バイパス流路
20…連通流路
21…電磁弁(バルブ機構)
Claims (5)
- ケーシング内に形成したロータ室に互いに咬合する雌雄一対のスクリュロータを収容し、給気流路から前記ロータ室に供給される高圧の気体の膨張力を前記スクリュロータによって回転力に変換し、排気流路に膨張した低圧の前記気体を排気するスクリュ膨張機であって、
前記ロータ室内の空間であって、前記給気流路および前記排気流路から前記スクリュロータによって隔離され得る中間圧力部と、前記高圧の前記気体が供給されるバイパス流路とを連通させられるバルブ機構と、
前記給気流路の圧力の前記排気流路の圧力に対する比である運転膨張比に応じて、前記バルブ機構を制御する制御手段とを備えることを特徴とするスクリュ膨張機。 - 前記中間圧力部は、前記スクリュロータの角度によっては、前記給気流路に連通することを特徴とする請求項1に記載のスクリュ膨張機。
- 前記制御手段は、前記運転膨張比が予め定められた設定値以下である場合に、前記バルブ機構により前記中間圧力部と前記バイパス流路とを連通させることを特徴とする請求項1または2記載のスクリュ膨張機。
- 前記バルブ機構は、前記中間圧力部および前記バイパス流路に連通する機能端面を有し、前記機能端面と反対側において、給気弁を介して前記給気流路に連通し、且つ、排気弁を介して前記排気流路に連通する柱状空間と、前記柱状空間内に嵌装され、前記機能端面に当接することより前記中間圧力部と前記バイパス流路とを隔離するピストンとを備えることを特徴とする請求項1から3のいずれかに記載のスクリュ膨張機。
- 前記機能端面は、前記ロータ室の給気側端面の辺縁に開口することを特徴とする請求項4に記載のスクリュ膨張機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010224945A JP5318062B2 (ja) | 2010-10-04 | 2010-10-04 | スクリュ膨張機 |
US13/238,246 US8790100B2 (en) | 2010-10-04 | 2011-09-21 | Screw expander |
EP11182861.2A EP2436929B1 (en) | 2010-10-04 | 2011-09-27 | Screw expander |
KR1020110099597A KR101387282B1 (ko) | 2010-10-04 | 2011-09-30 | 스크류 팽창기 |
CN201110293461.9A CN102444425B (zh) | 2010-10-04 | 2011-09-30 | 螺杆膨胀机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010224945A JP5318062B2 (ja) | 2010-10-04 | 2010-10-04 | スクリュ膨張機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012077704A true JP2012077704A (ja) | 2012-04-19 |
JP5318062B2 JP5318062B2 (ja) | 2013-10-16 |
Family
ID=44719509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010224945A Expired - Fee Related JP5318062B2 (ja) | 2010-10-04 | 2010-10-04 | スクリュ膨張機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8790100B2 (ja) |
EP (1) | EP2436929B1 (ja) |
JP (1) | JP5318062B2 (ja) |
KR (1) | KR101387282B1 (ja) |
CN (1) | CN102444425B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017053312A (ja) * | 2015-09-11 | 2017-03-16 | 株式会社神戸製鋼所 | 熱エネルギー回収装置 |
JP2021500504A (ja) * | 2017-10-27 | 2021-01-07 | スピラックス‐サルコ リミテッド | 熱機関 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9131073B1 (en) | 2012-03-02 | 2015-09-08 | Google Inc. | Motion estimation aided noise reduction |
US9344729B1 (en) | 2012-07-11 | 2016-05-17 | Google Inc. | Selective prediction signal filtering |
JP5891192B2 (ja) * | 2013-03-25 | 2016-03-22 | 株式会社神戸製鋼所 | 発電装置及び発電システム |
US10102613B2 (en) | 2014-09-25 | 2018-10-16 | Google Llc | Frequency-domain denoising |
US9450203B2 (en) * | 2014-12-22 | 2016-09-20 | Apple Inc. | Organic light-emitting diode display with glass encapsulation and peripheral welded plastic seal |
JP6485688B2 (ja) * | 2014-12-25 | 2019-03-20 | パナソニックIpマネジメント株式会社 | 熱発電装置 |
CN106015000B (zh) * | 2016-07-08 | 2018-01-16 | 珠海格力电器股份有限公司 | 螺杆压缩机系统及其控制方法和控制系统以及制冷设备 |
CN108049917B (zh) * | 2018-01-08 | 2023-12-22 | 北京工业大学 | 一种基于单螺杆膨胀机的无储液罐撬装式有机朗肯循环发电系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61122301U (ja) * | 1985-01-18 | 1986-08-01 | ||
JPS6260902A (ja) * | 1985-09-10 | 1987-03-17 | Kobe Steel Ltd | サイドストリ−ム付スライド弁形スクリユ膨張機 |
JP3904852B2 (ja) * | 2001-06-26 | 2007-04-11 | 株式会社神戸製鋼所 | スクリュ圧縮機 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5735186A (en) * | 1980-08-08 | 1982-02-25 | Hokuetsu Kogyo Co Ltd | Screw compressor |
SE456835B (sv) | 1984-01-05 | 1988-11-07 | Hisaka Works Ltd | Anordning foer vaermeaatervinning innefattande en expansionsskruvmotor av injektionstyp |
KR940000217B1 (ko) * | 1989-06-05 | 1994-01-12 | 가부시기가이샤 히다찌 세이사꾸쇼 | 스크류 압축장치 및 그 제어장치 |
CN2165227Y (zh) * | 1993-08-16 | 1994-05-18 | 天津市石化通用机械研究所 | 螺杆膨胀机 |
BE1013293A3 (nl) | 2000-02-22 | 2001-11-06 | Atlas Copco Airpower Nv | Werkwijze voor het besturen van een compressorinstallatie en aldus bestuurde compressorinstallatie. |
JP3673743B2 (ja) | 2001-09-27 | 2005-07-20 | 大晃機械工業株式会社 | スクリュー式真空ポンプ |
ATE504743T1 (de) | 2005-02-02 | 2011-04-15 | Elgi Equipments Ltd | System und verfahren zur steuerung der leistung eines schraubenverdichters |
US8801395B2 (en) | 2008-06-16 | 2014-08-12 | Gardner Denver, Inc. | Startup bypass system for a screw compressor |
-
2010
- 2010-10-04 JP JP2010224945A patent/JP5318062B2/ja not_active Expired - Fee Related
-
2011
- 2011-09-21 US US13/238,246 patent/US8790100B2/en not_active Expired - Fee Related
- 2011-09-27 EP EP11182861.2A patent/EP2436929B1/en not_active Not-in-force
- 2011-09-30 CN CN201110293461.9A patent/CN102444425B/zh not_active Expired - Fee Related
- 2011-09-30 KR KR1020110099597A patent/KR101387282B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61122301U (ja) * | 1985-01-18 | 1986-08-01 | ||
JPS6260902A (ja) * | 1985-09-10 | 1987-03-17 | Kobe Steel Ltd | サイドストリ−ム付スライド弁形スクリユ膨張機 |
JP3904852B2 (ja) * | 2001-06-26 | 2007-04-11 | 株式会社神戸製鋼所 | スクリュ圧縮機 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017053312A (ja) * | 2015-09-11 | 2017-03-16 | 株式会社神戸製鋼所 | 熱エネルギー回収装置 |
JP2021500504A (ja) * | 2017-10-27 | 2021-01-07 | スピラックス‐サルコ リミテッド | 熱機関 |
JP7213239B2 (ja) | 2017-10-27 | 2023-01-26 | スピラックス‐サルコ リミテッド | 熱機関 |
Also Published As
Publication number | Publication date |
---|---|
CN102444425A (zh) | 2012-05-09 |
KR20120035117A (ko) | 2012-04-13 |
JP5318062B2 (ja) | 2013-10-16 |
US20120082580A1 (en) | 2012-04-05 |
CN102444425B (zh) | 2014-06-25 |
EP2436929B1 (en) | 2017-03-08 |
US8790100B2 (en) | 2014-07-29 |
EP2436929A1 (en) | 2012-04-04 |
KR101387282B1 (ko) | 2014-04-18 |
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