| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | Accept the hydraulic fluid to the hydraulic system, and then means for discharging from the hydraulic system | JP22453890 | 1990-08-28 | JP3094032B2 | 2000-10-03 | アラン・ヨンソン |
| 242 | Ultra-high-pressure control device | JP17417493 | 1993-07-14 | JP3019671B2 | 2000-03-13 | 好一 林; 卓一 羽▲廣▼; 義夫 谷野; 隆明 野田 |
| 243 | Press hydraulic pressure increase unit in particular work by an internal high-pressure molding method | JP50260597 | 1996-06-07 | JPH11509479A | 1999-08-24 | キルマイア ペーター; ブレックナー マンフレート |
| (57)【要約】 この液圧式増圧ユニット１１は、特に内部高圧成形法により作業するプレス内に使用される。 該液圧式増圧ユニットは、第１シリンダ室１５内を滑動するドッキングピストン２５を有するドッキングシリンダ１０を備え、ドッキングピストンに取付けられたドッキングピストンロッド２６が、ハウジングヘッド２０を貫通し外方へ突出している。 また、該液圧式増圧ユニットは増圧器１１を有している。 該増圧器は、１次ピストン４０と２次ピストン４１とを有し、該１次ピストンが、第１シリンダ室１５と同軸的な、ハウジング底部１７により第１シリンダ室１５から分離されている第２シリンダ室１６内に配置されており、また前記２次ピストン４１は、ドッキングピストン２５とドッキングピストンロッド２６との軸方向中心孔２８内へ突入している。 ドッキングシリンダで高い圧力を発生させるため、ドッキングピストンの一方の側にだけピストンロッド、すなわちドッキングピストンロッドが備えられている。 | ||||||
| 244 | Hydraulic drive system for the press | JP51287596 | 1995-09-12 | JPH10507133A | 1998-07-14 | シュミット，シュテファン |
| (57)【要約】 本発明は、液圧プレスのための駆動装置に関する。 この駆動装置は二次制御装置として設計され、それぞれ可変入力・出力容量を有する、二つの機械的に接続された静水圧機械（６、７）からなる液圧変圧器（６、７）を含む。 第一の機械（６）は、定圧つまり適用圧力の圧力システム（３、４）に接続され、第二の機械（７）は、圧力シリンダー（１６）に接続される。 本発明によれば、駆動装置は、圧力シリンダー（１６）へのバイアス圧力、迅速な行程、プレスストローク、圧力シリンダーのデコンプレッション、及び加熱された作動流体のフラッシングを、閉ループ内で絞り損失なしに行うことができ、液圧変圧器によって動力を回収することができるように設計される。 | ||||||
| 245 | Energy converter device | JP25873897 | 1997-09-24 | JPH10131901A | 1998-05-22 | SATZLER RONALD L |
| PROBLEM TO BE SOLVED: To provide a device changing energy from a pressure fluid source to a work device into various pressure intensities. SOLUTION: An energy converter device 16 has power change units 54, 56 performing action reducing effectively a pressure of fluid from a pressure fluid source 12 into various intensities. In a control device 60, an operating pressure of actuators 28, 30, 32 is supervised, a route of pressure fluid of the lowest pressure necessary for performing work is selected. Further, a discharge fluid containing energy is utilized by regenerating a fluid returned to an inlet of the actuators 28, 30, 32 or feeding the fluid through the suitable power change units 54, 56 and increasing a pressure to charge or recharge the pressure fluid source 12. | ||||||
| 246 | Pressure transducer | JP15133189 | 1989-12-26 | JP2512551Y2 | 1996-10-02 | 邦人 佐伯 |
| 247 | Fluid operated device | JP26333795 | 1995-10-11 | JPH08226401A | 1996-09-03 | SNITGEN JOSEPH D |
| PROBLEM TO BE SOLVED: To combine load applied by a primary cylinder with load applied by a secondary cylinder by incorporating a specified valve device for controlling a fluid flow between two cylinders. SOLUTION: A pressure fluid in an accumulator 20 is supplied through a fluid coupling 30, a filter 34 and a regulator 36 to a control valve 52 by the operation of an on/off switch 32. When the control valve 52 is put in the illustrated position, the pressure fluid is supplied to solenoids 42, 50 to put valves 40, 46 in the illustrated postitions. The valve 46 forces pressure fluid to flow through a port 78 into the right part of a chamber 72 of a cylinder 16, thereby elastically pressing a piston 82 to the left and releasing the fluid in the left side of a chamber 92 of a cylinder 18 through a valve 46 to the atmosphere. A solenoid valve 42 puts a valve 40 in the illustrated position, thereby transferring the pressure fluid in the left of the piston 82 from the chamber 72 to the right of the chamber 92, whereby load applied by piston rods 116 and 122 is increased to intensify the pressure. COPYRIGHT: (C)1996,JPO | ||||||
| 248 | JPH0575504B2 - | JP25674689 | 1989-09-29 | JPH0575504B2 | 1993-10-20 | IWAMOTO NORIHIRO |
| 249 | JPH05503264A - | JP51208490 | 1990-09-10 | JPH05503264A | 1993-06-03 | |
| 250 | JPH0387976U - | JP15133189 | 1989-12-26 | JPH0387976U | 1991-09-09 | |
| 251 | Means for receiving hydraulic fluid into hydraulic system and subsequently emptying fluid from hydraulic system | JP22453890 | 1990-08-28 | JPH0392602A | 1991-04-17 | ARAN YONSON |
| PURPOSE: To prevent generation of any problem following leak of gas and eliminate a low pressure accumulator by providing a receiving cylinder and a high pressure cylinder axially arranged to cooperate with each other and form a functional unit. CONSTITUTION: When a piston rod 3 is making a quick stroke, a valve 32 in a discharge conduit 16 is opened, while a valve 10 in a bypass pipe 9 is closed. Hydraulic fluid flows in an arrow direction to be forcedly sent from a supply conduit 8 into a work cylinder 1, but it is also mechanically sent from a high pressure cylinder 13 into the cylinder 1 by a device 30 mutually and alternately powered mechanically by a piston 19 of a receiving cylinder 12 and a piston rod 31, and by the force of hydraulic fluid pressure to a piston 19 supplied simultaneously from the side 5 of the cylinder 1. As the rod 3 of the cylinder 1 reaches an upper end position, the valve 32 is closed, and the valve 10 is opened, so a direction is changed to make a slow stroke. At this time, a surface of a piston 2 is larger on the side 5 than on the side 4, so it is moved downward. COPYRIGHT: (C)1991,JPO | ||||||
| 252 | JPH0220337B2 - | JP31477586 | 1986-12-26 | JPH0220337B2 | 1990-05-09 | YONEZAWA KEITARO |
| 253 | Pressure boosting type cylinder unit | JP22167884 | 1984-10-19 | JPS6199704A | 1986-05-17 | IKEDA YUTAKA |
| PURPOSE:To provide higher pressure increasing efficiency by shaping pressure booster chambers at both ends of a booster piston, connecting an operating valve to the booster piston, and having the operating valve control a primary control valve which changes over reciprocating operation of the booster piston. CONSTITUTION:Pressure booster chambers 20 and 21 are shaped at both ends of a booster piston 17. The chambers 20 and 21 are connected to both a hydraulic cylinder 1 via check valves 22 and 23 and a booster piston chamber 16 via check valves 28 and 29. An operating valve 36 is connected to the booster piston 17 and a secondary control valve 48 is controlled by the operating valve 36 via a primary control valve 40. When the booster piston 17 makes a go stroke and a return stroke, pressure boosting parts 18 and 19 actuate to feed high pressure oil inside the pressure boosting chambers 20 and 21 into the cylinder 1. The booster piston 17 can thereby execute pressure boosting operation efficiently and quickly. | ||||||
| 254 | Pressure intensifying cylinder | JP10722884 | 1984-05-25 | JPS60249702A | 1985-12-10 | ISOBE MASABUMI |
| PURPOSE:To simplify structure of a pressure intensifying cylinder, by moving a piston provided with a selector valve according to increase in load and applying a reaction force to the piston by changeover of the selector valve due to the movement of the piston. CONSTITUTION:When load to an external device is increased, pressure in a chamber A is increased to move a valve 8 in a direction J according to pressure differential between the pressure in the chamber A and pressure in a chamber B. As a result, fluid passages 11 and 12 are communicated with each other through the chamber B, and accordingly pressure air is led through an air tube 17 and a passage 13 into a chamber E to pressurize a pressure intensifying piston 5. As a result, a ram 6 is moved in a direction H to cut off communication between a passage 10 and the chamber A and close the chamber A. When the ram 6 is further moved in the direction H, a high pressure is created in the chamber A to thereby impart a large force to the external device. | ||||||
| 255 | High pressure fluid generator | JP14958783 | 1983-08-18 | JPS6044601A | 1985-03-09 | WAKI SEIZABUROU; FUYAMA KIYOHI; HORI KEIICHI |
| PURPOSE:To make an easy and quick removal and installation of a ram possible by arranging a small diameter cylinder chamber to a piston fitted to a large diameter cylinder and by removably fixing a ram to be fitted in the cylinder chamber to the large diameter cylinder. CONSTITUTION:A piston 6 is fitted in a large diameter cylinder 5 and is provided with a small diameter cylinder chamber 8, inside of which a ram 9 is fitted by passing through the end of the piston 6 at the side a rod 6a is installed. A support plate 11 is threadably engaged to the outer end of the ram 9 and is coupled to an end plate 2 mediated by bolts 12. The ram 9 can be easily drawn out from the piston 6 by removing the bolts 12. | ||||||
| 256 | Pressure tramsmitter | JP903982 | 1982-01-25 | JPS57142535A | 1982-09-03 | BIKUTAA NIKORASU ROOFUOODO |
| 257 | Booster pump | JP8542678 | 1978-07-13 | JPS5512272A | 1980-01-28 | YAMATANI GIICHI |
| PURPOSE: To protect sliding portions from wear and to enhance the stability and reliability of a boosting pump by providing plural pistons or rams in booster cylinders and arranging lubrication chambers containing a lubricant between the pistons. CONSTITUTION: The boosting and pressure feeding of a boosting fluid is carried out by alternately operating booster cylinders 7. The sliding portions in the cylinders 7 are always sufficiently protected by the lubricant in lubrication chambers 12 which move with a piston 2, so that they are protected from wear. When the fluid on the boosting side 17 is in suction condition due to the movement of the piston 2 within the boosting cylinders 7, the pressure inside the chambers 12 is always held by springs 16, which prevents cavitation from developing in the lubricant. The lubricant leaking from first pistons 9 to the lower pressure side 22 is metered by a metering tank 23, and the lubricant is replenished in the chambers 12. COPYRIGHT: (C)1980,JPO&Japio | ||||||
| 258 | JPS549327B1 - | JP8544671 | 1971-10-27 | JPS549327B1 | 1979-04-24 | |
| 259 | Method of and device for controlling press plunger system | JP6736777 | 1977-06-09 | JPS5325975A | 1978-03-10 | EGON PAUERU; HERUBERUTO DEITSUTSU |
| 260 | JPS5289587U - | JP17102876 | 1976-12-22 | JPS5289587U | 1977-07-04 | |
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