JPS62251598A - Feeder for natural gas - Google Patents
Feeder for natural gasInfo
- Publication number
- JPS62251598A JPS62251598A JP61092255A JP9225586A JPS62251598A JP S62251598 A JPS62251598 A JP S62251598A JP 61092255 A JP61092255 A JP 61092255A JP 9225586 A JP9225586 A JP 9225586A JP S62251598 A JPS62251598 A JP S62251598A
- Authority
- JP
- Japan
- Prior art keywords
- natural gas
- gas supply
- supply conduit
- evaporator
- conduit
- 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
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 208
- 239000003345 natural gas Substances 0.000 title claims abstract description 95
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000003949 liquefied natural gas Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 8
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0626—Multiple walls
- F17C2203/0629—Two walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0367—Localisation of heat exchange
- F17C2227/0388—Localisation of heat exchange separate
- F17C2227/0393—Localisation of heat exchange separate using a vaporiser
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は天然ガスの供給装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a natural gas supply device.
天然ガスは通常超低温のもとて液体の状態で天然ガス容
器内に保存されている。そしてこの天然ガスを使用する
際には通常天然ガス容器から液状の状態で天然ガスを取
出し、次いで導管を介して蒸発器に導びいて天然ガスを
蒸発器内において気化せしめ、次いでこの気化した天然
ガスを被供給装置、例えば内燃機関や気化した天然ガス
を充填するボンベに供給するようにしている。なお、天
然ガス容器から導管内に送り込まれた天然ガスの一部は
導管内において気化するかもしれないが天然ガス容器か
ら導管内に送り込まれる天然ガスが液体であることには
変りはない（例えば実開昭５８−６２０００号公報およ
び特開昭５７−１３００００号公報参照）。Natural gas is normally stored in a liquid state at extremely low temperatures in natural gas containers. When using this natural gas, the natural gas is usually taken out in a liquid state from a natural gas container, then guided to an evaporator via a conduit and vaporized in the evaporator. Gas is supplied to a supplied device, such as an internal combustion engine or a cylinder filled with vaporized natural gas. Although some of the natural gas sent from the natural gas container into the pipe may vaporize within the pipe, the natural gas sent from the natural gas container into the pipe is still a liquid (e.g. (See Utility Model Application Publication No. 58-62000 and Japanese Patent Application Publication No. 57-130000).
天然ガス容器は通常天然ガスを超低温に保持するために
断熱構造となっているが外気温が液状天然ガスに全く伝
えられないようにするのは不可能である。従って液状天
然ガスを天然ガス容器内に充填してから日数が経過する
と天然ガス容器内において液状天然ガスが次第に蒸発す
る。このとき液状天然ガスは沸点の低い最も軽い成分で
あるメタンから蒸発する。天然ガスは半分以上がメタン
であり、残りがＣ２１１６，Ｃ３Ｈ！ｌ、 Ｃ４ＨＩ。Natural gas containers usually have an insulated structure to keep the natural gas at an extremely low temperature, but it is impossible to prevent outside air temperature from being transmitted to the liquid natural gas. Therefore, after a number of days have passed since the liquid natural gas was filled into the natural gas container, the liquid natural gas gradually evaporates within the natural gas container. At this time, liquid natural gas evaporates from its lightest component, methane, which has a low boiling point. More than half of natural gas is methane, and the rest is C2116 and C3H! l, C4HI.
、 Ｃ３Ｉ＋、□であって極一部がＮ２ 、 Ｃ（ｈ
の不純物であり、従って天然ガス中の主成分であるメタ
ンから蒸発していくことになる。その結果、液体の状態
にある天然ガスの組成が次第に変化し、最も軽い成分で
あるメタンが次第に少なくなっていく。このように液状
で残された天然ガスの成分は徐々に変化するので従来の
ように天然ガス容器から液状の天然ガスを取出すように
すると取出した天然ガスの組成が時間の経過と共に変化
することになる。従ってこの天然ガスを例えば内燃機関
に供給すると機関の出力が時間の経過と共に変化し、特
に機関の性能を比較するような試験を、実施する場合に
は機関の性能を正確に比較することができないという問
題がある。, C3I+, □, a small part of which is N2, C(h
Therefore, it evaporates from methane, which is the main component in natural gas. As a result, the composition of natural gas in its liquid state gradually changes, with methane, its lightest component, becoming less and less present. In this way, the components of the natural gas left in liquid form gradually change, so if you extract liquid natural gas from a natural gas container as in the past, the composition of the extracted natural gas will change over time. Become. Therefore, when this natural gas is supplied to, for example, an internal combustion engine, the output of the engine changes over time, making it impossible to accurately compare engine performance, especially when conducting tests to compare engine performance. There is a problem.
本発明によれば上記問題点を解決するために、天然ガス
容器内の天然ガスを内燃機関、ボンベ、その他の被供給
装置に供給するようにした天然ガスの供給装置において
、天然ガス供給導管の一端を天然ガス容器内の上部空間
に連結して蒸発した天然ガスを天然ガス供給Ｗ管内に送
り込むと共に天然ガス供給導管の他端を内燃機関、ボン
ベ、その他の被供給装置に連結可能にし、天然ガス供給
導管の中間部を蒸発器の液槽内に配管すると共に液槽の
液温を４５度Ｃ以上に保持している。４５度Ｃ以下では
組成（比重）の安定した天然ガスを得ることが出来ない
ばかりでなく、圧縮して高圧でボンベに充填し、使用時
に常圧に減圧するとき断熱膨張により凝縮を生じてしま
う。According to the present invention, in order to solve the above-mentioned problems, in a natural gas supply device that supplies natural gas in a natural gas container to an internal combustion engine, cylinder, or other supplied device, a natural gas supply conduit is connected. One end is connected to the upper space in the natural gas container to feed the evaporated natural gas into the natural gas supply W pipe, and the other end of the natural gas supply pipe can be connected to an internal combustion engine, a cylinder, or other supplied equipment. The middle part of the gas supply conduit is connected to the liquid tank of the evaporator, and the liquid temperature in the liquid tank is maintained at 45 degrees Celsius or higher. At temperatures below 45 degrees Celsius, not only is it impossible to obtain natural gas with a stable composition (specific gravity), but also condensation occurs due to adiabatic expansion when compressed and filled into cylinders at high pressure and then reduced to normal pressure during use. .
図面を参照すると、複数個の天然ガス容器ｌが設けられ
ている。各天然ガス容器１は外側ケーシング２と内側ケ
ーシング３からなり、外側ケーシング２と内側ケーシン
グ３間には断熱空間４が形成される。各内側ケーシング
３内には液状の天然ガス５が充填されており、天然ガス
液面６上方の上部空間７内は蒸発した天然ガスで満され
ている。Referring to the drawing, a plurality of natural gas containers l are provided. Each natural gas container 1 consists of an outer casing 2 and an inner casing 3, and a heat insulating space 4 is formed between the outer casing 2 and the inner casing 3. Each inner casing 3 is filled with liquid natural gas 5, and the upper space 7 above the natural gas liquid level 6 is filled with evaporated natural gas.
各天然ガス容器１の頂部には元弁８を具えた天然ガス供
給導管９、圧力計１０．放出弁１１を具えた天然ガス放
出導管１２が取付けられる。これらの天然ガス供給導管
９、圧力計１０おび天然ガス放出導管１２は内側ケーシ
ング３内の上部空間７に連結される。各天然ガス供給導
管９は共通の天然ガス供給導管１３に連結され、この天
然ガス供給導管１３は蒸発器１４に導びかれる。蒸発器
１４は液槽１５を具備し、この液槽１５内は例えば温水
１６でもって満されている。天然ガス供給導管１３はコ
イル状に巻設された部分１３ａを有し、このコイル状巻
設部分１３ａは温水１６内に浸漬配置される。蒸発器１
４は更にサーモスタットおよびヒータ装置からなる液温
制御装置１７を具備しており、この液温制御装置１７に
よって液槽１５内の温水１６の温度は実用上は６０度Ｃ
から７０度Ｃの間に保持されている。At the top of each natural gas container 1 is a natural gas supply conduit 9 equipped with a main valve 8, a pressure gauge 10. A natural gas discharge conduit 12 with a discharge valve 11 is installed. These natural gas supply conduit 9, pressure gauge 10 and natural gas discharge conduit 12 are connected to the upper space 7 in the inner casing 3. Each natural gas supply conduit 9 is connected to a common natural gas supply conduit 13 which leads to an evaporator 14 . The evaporator 14 includes a liquid tank 15, and the liquid tank 15 is filled with, for example, hot water 16. The natural gas supply conduit 13 has a coiled portion 13 a which is arranged immersed in hot water 16 . Evaporator 1
4 is further equipped with a liquid temperature control device 17 consisting of a thermostat and a heater device, and this liquid temperature control device 17 controls the temperature of the hot water 16 in the liquid tank 15 to 60 degrees Celsius in practice.
and 70 degrees Celsius.
前述したように天然ガス容器１内の液状天然ガス５から
は最も軽いメタンから蒸発するために内側ケーシング３
内の上部空間７はメタンで満されている。従って元弁８
を開弁すると天然ガス供給導管１３内にはメタンが送り
込まれる。次いでメタンからなる天然ガスはコイル状巻
設部分１３ａ内を流れる際に加熱され、その結果天然ガ
スは温度上昇すると共に完全に気体化した安定した天然
ガスが得られる０発明者の実験によると温水１６の液温
か４５度Ｃ以下になった場合には組成（即ち比重）の安
定した天然ガスを常時得ることができないばかりでなく
、気化した天然ガスを高圧力で圧縮してボンベに充填し
た場合、次にボンベからこの気化した高圧の天然ガスを
取り出して使用するとき、常圧まで減少させるのである
が、この際、断熱膨張により凝縮を生じてしまう。また
４５度Ｃ以下では蒸発器１４を通過した後の天然ガス供
給導管１３に霜が付着するのを阻止することができない
ことが判明している。一方、温水１６の液温を７０度Ｃ
以上にすることは天然ガスを必要以上に加熱することに
なり、熱源の浪費となる。従って温水１６は実用上は、
凝縮域に入らないための最低温度４５度Ｃに幾分の余裕
を見込んで、６０度Ｃから７０度Ｃの範囲に制御されて
いる。As mentioned above, the inner casing 3 is used to evaporate the lightest methane from the liquid natural gas 5 in the natural gas container 1.
The upper space 7 within is filled with methane. Therefore, the main valve 8
When the valve is opened, methane is sent into the natural gas supply conduit 13. Next, the natural gas consisting of methane is heated as it flows through the coiled winding portion 13a, and as a result, the temperature of the natural gas increases and stable natural gas that is completely gasified is obtained.According to the inventor's experiments, hot water If the liquid temperature of 16 is below 45 degrees Celsius, not only will it not be possible to constantly obtain natural gas with a stable composition (i.e. specific gravity), but also if the vaporized natural gas is compressed at high pressure and filled into a cylinder. Next, when this vaporized high-pressure natural gas is taken out of the cylinder and used, it is reduced to normal pressure, but at this time, condensation occurs due to adiabatic expansion. Furthermore, it has been found that at temperatures below 45 degrees Celsius, it is not possible to prevent frost from forming on the natural gas supply conduit 13 after passing through the evaporator 14. On the other hand, the liquid temperature of hot water 16 is set to 70 degrees Celsius.
Doing more than this will cause the natural gas to be heated more than necessary, resulting in a waste of heat sources. Therefore, the hot water 16 is practically
The temperature is controlled within the range of 60 degrees Celsius to 70 degrees Celsius, with some allowance for the minimum temperature of 45 degrees Celsius to avoid entering the condensation region.
蒸発器１４下流の天然ガス供給導管１３内には減圧弁１
８が配置され、蒸発器１４を通過した後の天然ガスはこ
の減圧弁１８によって例えば５気圧まで減圧される。減
圧弁１８の下流において天然ガス供給導管１３は低圧用
天然ガス供給導管１９および高圧用天然ガス供給導管２
０に分岐される。低圧用天然ガス供給導管１９内には低
圧ライン元弁２１が配置され、この低圧用天然ガス供給
導管１９は内燃機関２２の吸気通路２３に連結される。A pressure reducing valve 1 is installed in the natural gas supply conduit 13 downstream of the evaporator 14.
8 is disposed, and the pressure of the natural gas after passing through the evaporator 14 is reduced to, for example, 5 atmospheres by this pressure reducing valve 18. Downstream of the pressure reducing valve 18, the natural gas supply conduit 13 is connected to a low pressure natural gas supply conduit 19 and a high pressure natural gas supply conduit 2.
Branched to 0. A low-pressure line main valve 21 is disposed within the low-pressure natural gas supply conduit 19, and the low-pressure natural gas supply conduit 19 is connected to an intake passage 23 of an internal combustion engine 22.
一方、高圧用天然ガス供給導管２０内には高圧ライン用
元弁２４が配置され、この高圧用天然ガス供給導管２０
はコンプレッサ２５を介して並列配置のバッファタンク
２６に連結される。On the other hand, a high-pressure line main valve 24 is disposed inside the high-pressure natural gas supply pipe 20.
are connected via a compressor 25 to a buffer tank 26 arranged in parallel.
天然ガスはコンプレッサ２５によって例えば２００気圧
程度まで昇圧され、コンプレッサ２５による昇圧作用時
に発生する脈動がバッファタンク２６内において抑制さ
れる。バッファタンク２６は高圧用天然ガス供給導管２
７および減圧弁２８を介して内燃機関２９の吸気通路３
０に設けられた減圧装置３１に連結される。天然ガスは
減圧装置３１において減圧された後に吸気通路３ｏ内に
供給される。低圧用天然ガス供給導管１９は低圧用天然
ガス供給導管１９から流出した天然ガスを直接吸気通路
２３内に供給できるように設けてあり、高圧用天然ガス
供給導管２０．２７は減圧装置３１を必要とする実際の
内燃機関に対して試験しうるように設けられている。こ
のように２種類の試験を同時に行なうことができるとい
うのも本発明の大きな特徴である。The pressure of the natural gas is increased to, for example, about 200 atmospheres by the compressor 25, and pulsations that occur when the compressor 25 increases the pressure are suppressed in the buffer tank 26. Buffer tank 26 is high pressure natural gas supply conduit 2
7 and the intake passage 3 of the internal combustion engine 29 via the pressure reducing valve 28
It is connected to a pressure reducing device 31 provided at 0. After the natural gas is depressurized in the decompression device 31, it is supplied into the intake passage 3o. The low-pressure natural gas supply conduit 19 is provided so that the natural gas flowing out from the low-pressure natural gas supply conduit 19 can be directly supplied into the intake passage 23, and the high-pressure natural gas supply conduit 20.27 requires a pressure reducing device 31. It is designed so that it can be tested on an actual internal combustion engine. Another major feature of the present invention is that two types of tests can be performed simultaneously in this way.
天然ガス容器内の上部空間から蒸発した天然ガスを取出
し、蒸発器を通すので常に組成（比重）の一定な安定し
た天然ガスを供給することができる。Since evaporated natural gas is extracted from the upper space of the natural gas container and passed through an evaporator, stable natural gas with a constant composition (specific gravity) can be supplied at all times.
また、蒸発器の液温を４５度Ｃ以上に維持することによ
って液状微粒子を含まず十分に気化し、凝縮することの
ない天然ガスを被供給装置に供給できると共に、天然ガ
ス供給導管に霜が発生するのを阻止することができる。In addition, by maintaining the liquid temperature in the evaporator at 45 degrees Celsius or higher, it is possible to supply natural gas that does not contain liquid particles and is sufficiently vaporized and does not condense to the supplied equipment, and also prevents frost from forming in the natural gas supply pipe. can be prevented from occurring.
図は天然ガスの供給装置の全体図である。
１・・・天然ガス容器、７・・・上部空間、９．１３・
・・天然ガス供給導管。
１４・・・蒸発器、 ２２．２９・・・内燃機関。The figure is an overall view of a natural gas supply device. 1... Natural gas container, 7... Upper space, 9.13.
...Natural gas supply conduit. 14...Evaporator, 22.29...Internal combustion engine.
Claims (1)
ス供給導管の一端を天然ガス容器内の上部空間に連結し
て蒸発した天然ガスを該天然ガス供給導管内に送り込む
と共に該天然ガス供給導管の他端を被供給装置に連結可
能にし、該天然ガス供給導管の中間部を蒸発器の液槽内
に配管すると共に該液槽の液温を４５度Ｃ以上に保持す
るように構成した天然ガスの供給装置。In a natural gas supply device in a natural gas container, one end of a natural gas supply conduit is connected to the upper space in the natural gas container, and evaporated natural gas is sent into the natural gas supply conduit, and the natural gas supply conduit is A natural gas whose other end is connectable to a supplied device, the middle part of the natural gas supply conduit is piped into a liquid tank of an evaporator, and the liquid temperature of the liquid tank is maintained at 45 degrees Celsius or higher. feeding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61092255A JPS62251598A (en) | 1986-04-23 | 1986-04-23 | Feeder for natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61092255A JPS62251598A (en) | 1986-04-23 | 1986-04-23 | Feeder for natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62251598A true JPS62251598A (en) | 1987-11-02 |
Family
ID=14049310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61092255A Pending JPS62251598A (en) | 1986-04-23 | 1986-04-23 | Feeder for natural gas |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62251598A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5121609A (en) * | 1991-05-17 | 1992-06-16 | Minnesota Valley Engineering | No loss fueling station for liquid natural gas vehicles |
| US5127230A (en) * | 1991-05-17 | 1992-07-07 | Minnesota Valley Engineering, Inc. | LNG delivery system for gas powered vehicles |
| US5163409A (en) * | 1992-02-18 | 1992-11-17 | Minnesota Valley Engineering, Inc. | Vehicle mounted LNG delivery system |
| US5228295A (en) * | 1991-12-05 | 1993-07-20 | Minnesota Valley Engineering | No loss fueling station for liquid natural gas vehicles |
| JP2009138958A (en) * | 2007-12-04 | 2009-06-25 | Tokyo Gas Co Ltd | Mixed gas supply device and its composition variation suppressing method |
-
1986
- 1986-04-23 JP JP61092255A patent/JPS62251598A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5121609A (en) * | 1991-05-17 | 1992-06-16 | Minnesota Valley Engineering | No loss fueling station for liquid natural gas vehicles |
| US5127230A (en) * | 1991-05-17 | 1992-07-07 | Minnesota Valley Engineering, Inc. | LNG delivery system for gas powered vehicles |
| USRE35874E (en) * | 1991-05-17 | 1998-08-25 | Minnesota Valley Engineering, Inc. | LNG delivery system for gas powered vehicles |
| US5228295A (en) * | 1991-12-05 | 1993-07-20 | Minnesota Valley Engineering | No loss fueling station for liquid natural gas vehicles |
| US5163409A (en) * | 1992-02-18 | 1992-11-17 | Minnesota Valley Engineering, Inc. | Vehicle mounted LNG delivery system |
| JP2009138958A (en) * | 2007-12-04 | 2009-06-25 | Tokyo Gas Co Ltd | Mixed gas supply device and its composition variation suppressing method |
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