| Patent Number |
Title Of Patent |
Date Issued |
| 7395838 |
Piston-type accumulator |
July 8, 2008 |
| A piston-type accumulator includes an accumulator housing provided in the form of a cylinder tube (1). A separating piston (15) separates two working spaces (5) and (6) from one another in the housing and can be displaced in an axial direction within a piston stroke area (19) of the |
| 7322377 |
Hydraulic accumulator |
January 29, 2008 |
| A hydraulic accumulator includes a piston (3) capable of moving in an accumulator housing (1) in its axial direction and separating a gas side (5) from a liquid side (7) of the accumulator housing (1). Guide elements (9, 17) designed to co-operate with the accumulator housing wall (1), a |
| 7234491 |
Device for damping water hammer |
June 26, 2007 |
| A device damps water hammers in hydraulic accumulators, in particular in piston accumulators. The device is embodied in the form of the accumulator component which operates as a throttle on a fluid flow and is inserted between internal elements (12) of the accumulator and a hydraulic |
| 7066208 |
Hydraulic accumulator |
June 27, 2006 |
| A hydraulic accumulator, particularly a piston-type accumulator, includes an accumulator housing (1) which defines a longitudinal axis (9), is provided with an opening that is concentric with the longitudinal axis (9) and is closed by means of a lid (11). The lid is secured in a form |
| 6901965 |
Hydropneumatic accumulator |
June 7, 2005 |
| A hydraulic accumulator includes an accumulator housing (1) and a diaphragm (3) forming a displaceable partition element in the housing between a gas chamber (7) and a liquid chamber (5). The membrane has several annular regions (31, 33, 35, 37, 39), interconnected by annular weak points |
| 6857450 |
Hydropneumatic pressure reservoir |
February 22, 2005 |
| A hydropneumatic pressure reservoir (1) forms a housing from at least two housing shells (3, 5) connected together. At least the end region of the one housing shell (5) includes an outwardly-extending, funnel-like guide surface between its free end and a sealing element for bringing toge |
| 6789577 |
Hydropneumatic pressure accumulator |
September 14, 2004 |
| A hydropneumatic pressure accumulator has an outer tube forming the accumulator housing. A flexible separating element is formed by a section of a hose, extends in the longitudinal direction inside of the outer tube and is anchored on the tube to form a seal. On the outside and inside of |
| 6681813 |
Device for removing fluid from a container |
January 27, 2004 |
| The invention relates to a device for the removal of fluid from a container (10), which carries a gas and which in the area of a collection point (12) for the liquid has a removal connection (14), to which can be connected a collection container (18) by means of a removal conduit (16), w |
| 6549110 |
Compensating device suitable for use in railway car transformers |
April 15, 2003 |
| A compensating device suitable for use in railway car transformers has at least one compensation receptacle in fluid communication connection with the interior of the housing of a transformer and having a fluid volume. A separating element limits the fluid volume in the compensation rece |
| 6332477 |
Piston-type accumulator for a hydraulic fluid to be supplied to a consumer in a hydraulic instal |
December 25, 2001 |
| A piston accumulator can be used for hydraulically actuating the discharge unit in non-automotive bulk commodity vehicles. The accumulator cylinder has a tappet which can be axially displaced within the cylinder. When a defined load pressure is reached in the oil chamber of the cylinder, |
| 5865028 |
Energy recovery device |
February 2, 1999 |
| An energy recovery device, in particular of static and kinetic energy, has at least one hydraulically controlled working cylinder (110) or a hydraulic engine (210) that moves tools back and forth, preferably up and down. The working cylinder (110) or the hydraulic engine (210) can be |
| 4935561 |
Process for isomerizing monochlorotoluenes or dichlorotoluenes |
June 19, 1990 |
| The invention relates to a process for isomerizing monochlorotoluenes or dichlorotoluenes on a zirconium-containing zeolite catalyst of the Pentasil type. Catalysts of this type are distinguished by a particularly high activity coupled with a long service life. In particular, the inv |
| 4922944 |
Melting safety device for gas system of hydropneumatic pressure accumulators |
May 8, 1990 |
| A melting safety device for discharging gas from the gas system of a hydropneumatic pressure reservoir or accumulator has a blocking element of a material which melts when exposed to an undue temperature increase. A normally closed valve can be opened by a control member which is prebias |
| 4720583 |
Process for the isomerization of o-, m- and/or p-toluidine |
January 19, 1988 |
| The invention relates to a process for the isomerization of o-, m- or p-toluidine, or of a mixture of them, on a zirconium-containing zeolite catalyst of the pentasil type. Catalysts of this type are distinguished by particularly high activity and a long useful life. The invention pa |
| 4605809 |
Aluminosilicates and silica gels having a low content of transition elements, a process for thei |
August 12, 1986 |
| The present invention relates to aluminosilicates and silica gels having a low content of transition elements, to a process for their manufacture and to their use as a catalysts or catalyst supports. Said aluminosilicates or silica gels are prepared by treating them with a solution of co |
| 4568777 |
Process for isomerizing monochlorophenols or dichlorophenols |
February 4, 1986 |
| The invention relates to a process for isomerizing monochlorophenols or dichlorophenols in which one or more monochlorophenol or dichlorophenol is passed in the gas phase over a zeolite catalyst. In particular, the invention relates to a process for preparing 3-chlorophenol by isomerizin |
| 4522800 |
Process for the production of a crystalline aluminosilicate zeolite |
June 11, 1985 |
| A method for making crystalline aluminosilicate ZSM-34 zeolites, useful as catalysts for making C.sub.2 -C.sub.4 -olefins from methanol, from a reaction mixture containing silicon, aluminum, sodium, potassium, and an organic template compound which is (i) a salt of an ammonium compound o |
| 4355187 |
Process for the manufacture of methyl glyoxal |
October 19, 1982 |
| Methyl glyoxal is prepared by oxidation of propylene glycol-1,2 in the gaseous phase on a heterogeneous catalyst. The process is carried out with an excess of oxygen and the catalyst used contains molybdenum and at least one of the metals: vanadium, silver, copper, iron, tungsten, tin, z |
| 4340748 |
Process for the manufacture of glyoxylic acid esters |
July 20, 1982 |
| The invention relates to a process for the manufacture of glyoxylic acid esters by catalytic dehydrogenation of glycolic acid esters in the gaseous phase. |
| 4302609 |
Process for the manufacture of methylglyoxal |
November 24, 1981 |
| Methylglyoxal is manufactured continuously by passing glycerol in the gaseous phase over a heterogeneous dehydrogenation catalyst. |
