JP2005122621A - 減圧装置 - Google Patents
減圧装置 Download PDFInfo
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- JP2005122621A JP2005122621A JP2003359417A JP2003359417A JP2005122621A JP 2005122621 A JP2005122621 A JP 2005122621A JP 2003359417 A JP2003359417 A JP 2003359417A JP 2003359417 A JP2003359417 A JP 2003359417A JP 2005122621 A JP2005122621 A JP 2005122621A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/0402—Control of fluid pressure without auxiliary power with two or more controllers mounted in series
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
- G05D16/107—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger with a spring-loaded piston in combination with a spring-loaded slideable obturator that move together over range of motion during normal operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Abstract
【解決手段】 高圧のタンクを有する燃料電池システムに使用し、該高圧タンクからの高圧ガスを低圧に減圧する減圧装置であって、前記ガスの流れの上流に、前記ガスが流入し、該流入したガスの圧力を減圧し、該圧力に比例した圧力で流出させる比例減圧手段を設け、前記ガスの流れの下流に、前記比例減圧手段から流出した前記ガスの圧力を所定の圧力に減圧する減圧手段を設け、前記比例減圧手段と前記減圧手段とを一体構造とした減圧装置とする。
【選択図】 図2
Description
20...エアライン
30...燃料ライン
50...DC/DCコンバータ
60...蓄電池
100...フィルタ
110...コンプレッサ
120...加湿器
130...水素タンク
140...減圧装置
150...シャットバルブ
160...水素循環ポンプ
170...インバータ
180...走行モータ
200,200a,200b...比例減圧部
210,210a,210b,410...ハウジング
212...タップ穴
214...凹部
215...大径内円筒
216...小径内円筒
217...ネジ穴部
218...入力ポート
219...中間ポート
220,220a,220b,420...弁部
222...円柱部分
224...円錐部分
226...雄ネジ部
230,230a,230b,430...比例ピストン
231,231a,231b...大径円柱部分
232,232a,232b...小径円柱部分
233,233a,233b...貫通流路
235,236,360,380...Oリング
240,240a,240b,440,740a,740b...スプリング
250,250a,250b,450...入力室
260,260a,260b,460...中間室
270,270a,270b,470...出口室
280...パッキン
290,400...比例減圧装置
300...減圧部
310...ケース
311...挿入孔
312...係合部分
313...導入路
315...絞り流路
316...フランジ部分
317...出力ポート
318...円筒形状部分
319...大気孔
320...バルブ
321...連結部
330...減圧ピストン
340...バネ
345...ネジ係合穴部
350...バネ調整部分
370...締結ボルト
390...出力室
395...接続通路
436...入力通路
500...多段比例減圧部
510,710...ケーシング
512...フランジ
514...円筒
515...連通孔
516...入口ポート用穴部
711...入口ポート
715...段付凹部
720a,720b...充填通路
730a,730b...鋼球
Claims (8)
- 流体の回路に使用し、流体の高圧力を低圧力に減圧する減圧装置であって、
前記回路の上流に、前記流体が流入し、該流入した流体の圧力を減圧し、該圧力に比例した圧力で流出させる比例減圧手段を設け、
前記回路の下流に、前記比例減圧手段から流出した前記流体の圧力を所定の圧力に減圧する減圧手段を設け、
前記比例減圧手段は、
ハウジングの内部に軸方向に移動可能なピストンを設け、
前記ピストンは、該ピストンの一端面に第1の受圧面と、他端面に該第1の受圧面より面積の大きな第2の受圧面を備え、
前記第1の受圧面側に入力室を、前記第2の受圧面側に出力室を設け、
前記ピストン内部に、前記入力室と前記出力室とを連通する連通路を有し、
前記連通路の一端で、前記第1の受圧面側に、前記ピストンが軸方向に移動することで前記連通路を開閉する弁を設け、
前記連通路を閉弁する方向に、前記ピストンを付勢するスプリングを備えて構成し、
前記比例減圧手段と前記減圧手段とを一体構造とした
減圧装置。 - 高圧のタンクを有する燃料電池システムに使用し、該高圧タンクからの高圧ガスを低圧に減圧する減圧装置であって、
前記ガスの流れの上流に、前記ガスが流入し、該流入したガスの圧力を減圧し、該圧力に比例した圧力で流出させる比例減圧手段を設け、
前記ガスの流れの下流に、前記比例減圧手段から流出した前記ガスの圧力を所定の圧力に減圧する減圧手段を設け、
前記比例減圧手段と前記減圧手段とを一体構造とした
減圧装置。 - 請求項2に記載の減圧装置であって、
前記比例減圧手段は、該比例減圧手段に流入する前記ガスの圧力を、1/3から2/3の範囲に減圧する手段である減圧装置。 - 請求項2または請求項3に記載の減圧装置であって、
前記比例減圧手段は、
ハウジングの内部に軸方向に移動可能なピストンを設け、
前記ピストンは、該ピストンの一端面に第1の受圧面と、他端面に該第1の受圧面より面積の大きな第2の受圧面を備え、
前記第1の受圧面側に入力室を、前記第2の受圧面側に出力室を設け、
前記ピストン内部に、前記入力室と前記出力室とを連通する連通路を有し、
前記連通路の一端で、前記第1の受圧面側に、前記ピストンが軸方向に移動することで前記連通路を開閉する弁を設け、
前記連通路を閉弁する方向に、前記ピストンを付勢するスプリングを備えた手段である
減圧装置。 - 請求項1または4に記載の減圧装置であって、
前記比例減圧手段は、前記ハウジングの内部に設けた前記ピストンの軸方向の移動用の空間である中間室を形成し、
前記減圧手段により減圧された圧力の流体が流入する空間と前記中間室とを連通する導入路を備えた減圧装置。 - 請求項5に記載の減圧装置であって、
前記弁には、前記ピストンの移動による開弁によらず、前記連通路の前記第1の受圧面側と接続する第2の流路が形成され、
前記第2の流路上に、前記比例減圧手段に流入した流体が前記減圧手段から流出する方向への該第2の流路の流れを止める逆止手段を備えた
減圧装置。 - 請求項6に記載の減圧装置であって、
前記比例減圧手段を、少なくとも2つ以上、シリーズに組み合わせて多段比例減圧手段として構成し、
前記逆止手段は、前記第2の流路を開口または閉口する弁体と、該弁体を閉口方向に付勢する第2のスプリングとを備え、
前記多段比例減圧手段の隣接する2つの前記比例減圧手段の中、下流の該比例減圧手段の前記弁体を閉口方向に付勢する機能と、上流の該比例減圧手段の前記ピストンを閉弁方向に付勢する機能とを合わせ持つ第3のスプリングを前記隣接する比例減圧手段の間に介装した
減圧装置。 - 請求項1ないし6のいずれかに記載の減圧装置であって、
前記比例減圧手段を、少なくとも2つ以上、シリーズに組み合わせて多段比例減圧手段として構成する減圧装置。
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JP2003359417A JP4342266B2 (ja) | 2003-10-20 | 2003-10-20 | 減圧装置 |
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JP4342266B2 JP4342266B2 (ja) | 2009-10-14 |
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WO2007100163A1 (ja) * | 2006-03-03 | 2007-09-07 | Toyota Jidosha Kabushiki Kaisha | 調圧弁および燃料電池システム |
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