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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8118576 | Oil rotary vacuum pump and manufacturing method thereof An oil rotary vacuum pump of mechanical type is filled with a requested amount of oil at the end of the manufacturing process, then it is stored and then shipped to the user, letting the user avoid an operation of introducing the proper amount of oil into the pump. ... | 02/21/2012 |
| 7607903 | Stator tube removal and installation device An apparatus for removing a stator tube from a position about a rotor of a progressing cavity pump is provided. The apparatus includes an actuator assembly having a base and a piston which is longitudinally displaceable relative to the base, and a pusher rod. The ba... | 10/27/2009 |
| 7305906 | Bearing arrangement for at least one gearwheel A bearing arrangement for at least one gearwheel, particularly for a reversing wheel of a reverse gear in a transmission housing of a manual transmission, having a gear that is rotatably supported on a gear axle. At least the one end of the gear axle is fixed or sup... | 12/11/2007 |
| 7306440 | Vane pump including rotor having eccentric gravity center A vane pump includes a casing having a cylindrical inner bore and a rotor disposed in the inner bore with an eccentric relation thereto, forming a circular pump chamber between the rotor and the inner bore. The circular pump chamber is divided by vanes held in the r... | 12/11/2007 |
| 7281372 | Hydraulic controller and hydraulic drive unit provided with said hydraulic controller A hydraulic controller in which driving sound and the number of parts can be reduced, and a long service life can be realized, and a hydraulic drive unit provided with said hydraulic controller. The hydraulic controller for a hydraulic drive unit includes a housing ... | 10/16/2007 |
| 7240892 | Securing device for a turbocharger The invention proposes a securing device (26) for securing a turbocharger (12) comprising a turbocharger casing (14) to a base (28). The securing device (26) has a first foot (30) which can be fixed in the base (28) a... | 07/10/2007 |
| 7162797 | Method of correcting imbalance of a scroll compressor A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit. Imbalance on the drive shaft is generated due to movement of the compr... | 01/16/2007 |
| 7146967 | Fuel supply apparatus for engine and method thereof When a pressure of fuel supplied to an engine is higher than a target, the fuel is carried in a reverse direction by rotating a fuel pump in reverse, and in accordance therewith, the fuel pressure is made to fall with good responsiveness. ... | 12/12/2006 |
| 7124662 | Reversible driving apparatus for PCU pumps An accessory driving apparatus for an aircraft system is connected to an accessory unit to be driven, such as a PCU pump. A gear set for transferring rotational power from the driving shaft to the driven shaft is provided for selective arrangement in first and secon... | 10/24/2006 |
| 7104770 | Eccentric screw-type pump with spare stator The present invention relates to the arrangement of a stator and a spare stator. In order to avoid a permanent correction in the length of the driving shaft, the spare stator is connected to the instantaneously operated stator or is configured in a single piece. Upo... | 09/12/2006 |
| 7100386 | Economizer/by-pass port inserts to control port size Compressor performance is affected by the size of an economizer or by-pass port area. To achieve variation in size, an insert is inserted into an economizer and/or unloader flow passage to provide a desired port area. The insert may be selected from a number of avai... | 09/05/2006 |
| 7055317 | Hydraulic module The invention relates to a new type of hydraulic module for actuating at least one hydraulic control element with a hydraulic pump in a housing, with an electric motor fastened to a first housing side for driving the pump, with a tank located on a second housing sid... | 06/06/2006 |
| 6997689 | Offset bearing for extended fuel pump life A bearing assembly (20) for a pump (12), e.g., an internal or external gear pump includes a journal bearing block (20) having a length, a width, and an axial centerline (CL′) passing through a center of the journal bearing block (20) wi... | 02/14/2006 |
| 6978608 | Hydraulic unit What is disclosed is a hydraulic unit for a plastics processing machine, in particular a hydraulically actuated injection molding machine. In accordance with the invention, the drive mechanism of a pump of a hydraulic circuit is provided inside the tank to ensure op... | 12/27/2005 |
| 6892454 | Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit A method for manufacturing a multi-stage compression type rotary compressor which avoids the replacement of parts to be used as much as possible to reduce costs and also which enables easily setting an appropriate displacement volume ratio between first and second r... | 05/17/2005 |
| 6881044 | Rotary vane compressor with interchangeable end plates An improved rotary vane compressor includes an elongated housing having a main part and two ends. An inlet/outlet end plate member positioned at one end of the housing has an inlet port and an outlet port. The end plate member is one of a first type having ports con... | 04/19/2005 |
| 6860729 | Compressor having main and adjustable balancer portions A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit. Imbalance on the drive shaft is generated due to movement of the compr... | 03/01/2005 |
| 6786709 | Gear pump with a drive and a hydraulic tank A device for pumping fluid has a hydraulic pump (10) and a drive (12). The hydraulic pump (12) is produced as an independent component with different types of drive devices (12) as additional components that can be coupled in the form of ... | 09/07/2004 |
| 6736620 | Scroll-type fluid machine having at least one inlet or outlet of a plurality able to be closed by a closure member A scroll fluid machine comprises a stationary scroll that has a spiral stationary wrap, and an orbiting scroll that has a spiral orbiting wrap to form a compression chamber between the stationary and orbiting wraps. In the stationary and orbiting wraps, an outer low... | 05/18/2004 |
| 6679692 | Oil pump A modular oil pump for use in combination with an internal combustion engine having a dry sump lubrication system. The device features a first gerotor pump having an intake port engageable in communication with at least one engine sump and having an disch... | 01/20/2004 |
| 6520757 | Housing for accommodating a micropump A housing for a micro pump or like micro system has at least three structured elements which are layered and which respectively form a support plate, a connecting block and a base element with a further plate-shaped layered structure element located betwe... | 02/18/2003 |
| 6368086 | Universal pump bracket This invention is directed to a pump bracket that is adapted to allow for the inboard or outboard mounting of a mechanical seal or packing material to accommodate different pump configurations and applications. The universal pump bracket includes a first ... | 04/09/2002 |
| 6113370 | Rotary vane machine The invention provides a rotary-vane machine having a stationary shell including a casing member (2), a camming ring (4) having an internal, noncircular camming surface (6), and a flange member (8); a rotor (10) including at least two first vanes (12) fix... | 09/05/2000 |
| 5674060 | Hydraulic internal gear machine having a fluid pressure biased sealing plate A hydraulic gear machine, in particular an internal gear machine having two gear wheels which mesh with each other in a chamber of a multipart housing, a sealing plate arranged on the side of the two gear wheels axially between them and a housing part, an... | 10/07/1997 |
| 5588819 | Compliant drive for scroll machine A scroll-type apparatus includes a radial compliant drive. The radial compliant drive is achieved by using a set of corresponding flat driving surfaces with one of the drive surfaces being located on a drive bushing and the other being located on a cranks... | 12/31/1996 |
| 5582511 | Scroll machine having discharge port inserts A scroll machine has a multi-functional device which is attached to either or both of the scroll members that serves the purpose of optimizing or altering the discharge port geometry to a specific compression ratio or for modulation of compression ratios ... | 12/10/1996 |
| 5496155 | Rotary device having plural mounting orientations and fluid connections An improved rotary device (20), such as a fluid pump or motor, includes a housing (24) which encloses a working unit (22). The working unit (22) includes a cam ring (38) which cooperates with a rotor (40) and a plurality of vanes (42) to form a plurality ... | 03/05/1996 |
| 5474431 | Scroll machine having discharge port inserts A scroll machine has a multi-functional device which is attached to either or both of the scroll members that serves the purpose of optimizing or altering the discharge port geometry to a specific compression ratio or for modulation of compression ratios ... | 12/12/1995 |
| 5269667 | Removabe discharge port plate for a compressor An apparatus includes a rotary compressor having an inlet end, a discharge end, and a predetermined built-in volume ratio. The compressor has at least one rotor which is encased by a housing which is defined by at least a first portion and a second portio... | 12/14/1993 |
| 5195880 | Eccentric screw pump with reversible rotor An eccentric screw pump comprises at least one stator, a rotor having a core and received for eccentric rotation in the stator, a first coupling device adapted to connect one end of the rotor to a drive system, a second coupling device provided at another... | 03/23/1993 |
| 5174736 | Scroll-type compressor with cover member for suction and discharge cavities A compressor is composed of a housing equipped with a compression mechanism portion and a cover body having a fitting portion. The housing has a suction cavity communicating with a suction chamber and a discharge cavity communicating with a discharge cham... | 12/29/1992 |
| 5096396 | Rotary apparatus having passageways to clean seal chambers Improvements are disclosed in a rotary, lobar, positive-displacement pump and in a rotary, centrifugal pump, whereby all product-contacting areas of the pumps can be effectively cleaned without disassembly, i.e., cleaned in place. Non-rotating seals seal ... | 03/17/1992 |
| 5066205 | Screw rotor lobe profile for simplified screw rotor machine capacity control Helical screw rotors for a screw rotor machine wherein, for both the male and female rotor, the rotor profile includes involute curves for the male and female rotor lobe tip portion and rotor root portion, thereby generating mating involute curved surface... | 11/19/1991 |
| 5030071 | Roller van motor with fluid biassed roller A roller vane motor as described, the motor having a stator with a generally cylindrical chamber provided with fluid inlet and outlet means. A rotor is provided in the chamber to be rotatable therein, the rotor having a slot to receive a roller which form... | 07/09/1991 |
| 4895278 | Stuffing-batching machines for food products A stuffing-batching machine wherein the bottom of the blades pump chamber for stuffing comprises a detachable discoid plate having a recess in the top to pilot and guide the sliding blades eccentrically with respect to the chamber wall, the plate when ass... | 01/23/1990 |
| 4846638 | Rotary fluid machine with pivoted vanes A rotary fluid machine comprising a housing, a drive disk, a drive shaft, inner and outer cylindrical assemblies, and a plurality of vanes. The drive disk is supported within the housing for rotation about a first axis, and the drive shaft is connected to... | 07/11/1989 |
| 4758130 | Two rotary gear pumps arranged in different plates The invention provides an oil pump as a replacement for the conventional piston type oil pumps used in Triumph motor cycles. The pump of the invention comprises a plurality of plates with a feed pump section between a pair of plates and a scavenge section... | 07/19/1988 |
| 4548557 | Hydraulic pump or motor with interchangeable gears A hydraulic pump motor components including at least two co-acting gears arranged in wells which conform to the gears and which communicate with channels for supply and return oil respectively. To enable the displacement of the pump or motor to be readily... | 10/22/1985 |
| 4486158 | Rotary vane compressor with suction port adjustment A sliding vane type rotary compressor, of which refrigerating capacity at the high speed operation of the compressor is suppressed by making use of suction loss involved when refrigerant pressure in the vane chamber becomes lower than the pressure of the ... | 12/04/1984 |
| 4462770 | Gear pump with rotatable sections A pump housing containing an inlet and an outlet and enclosing two meshing pumping gear wheels is connected through an intermediate bearing plate to a transmission housing comprising a base arrangement and enclosing two meshing auxiliary gear wheels. An e... | 07/31/1984 |
