Class 418/28 - By axial movement of movable member

Subclass of Class 418 - Rotary expansible chamber devices
Definition: Apparatus in which a dimension of the working chamber is
No. of patents: 21
Last issue date: 04/29/2008

Number	Title	Issue Date
7364418	Scroll fluid machine having an adjustment member with a deformable element A scroll fluid machine includes a stationary scroll having a spiral wrap formed on an end plate and a moving scroll having a spiral wrap formed on an end plate. A polymer actuator for adjusting the amount of space between the wrap and the end plate is disposed in a ...	04/29/2008
7195467	Internal gear machine with variable capacity A fluidic machine has a fixed body, an external orbital member rotatable around a first rotational axis and internal gear teeth including a first teeth number, a transmission member rotatable around a second rotational axis, an internal orbital member supported by t...	03/27/2007
6736621	Scroll compressor with adjustable capacity A scroll compressor includes an adjustable actuator mount that changes the relative position of a non-orbiting scroll and an orbiting scroll to change the compressor capacity. In one embodiment, the scroll wrap and base of each scroll are manufactured as two separat...	05/18/2004
6547546	Rotary machine The present invention may be used in pumps and hydraulic engines and increases the functional capacities of rotary machines. This invention relates to a rotary machine comprising a body in which an adjustment member is mounted so as to be capable of displ...	04/15/2003
5738065	Variable rotary engine A rotary engine contains a laterally displaceable rotary member which is sealably and slidably engaged by a rotor plate which has been modified for sealing, travels in an eccentric circle along with the rotor, but provides sealing against the rotor using ...	04/14/1998
5724812	Variable displacement apparatus and method of using same A variable displacement apparatus includes a pair of axially adjustable housing parts sealingly joined together to form a unitary pumping chamber. A pair of meshing elongated vanes or gears having a plurality of teeth disposed within the chamber in a mesh...	03/10/1998
5674059	Reciprocating variable displacement rotary vane machine An first rotor and an second rotor rotate about a longitudinal axis in a housing. The second rotor moves longitudinally relative to the first rotor. Rotor vanes extend outward from the rotors and are longitudinally split into longitudinally extending seco...	10/07/1997
5660537	Self-regulating fuel supply pump A self-regulating fuel supply pump for supplying fuel from a fuel tank to a fuel rail of an engine includes a housing having an inlet, an outlet, an inlet pressure chamber, a vane surplus chamber, a pumping chamber, an outlet pressure chamber, an inlet pr...	08/26/1997
5399077	Variable capacity vane pump The invention relates to a vane pump, the volumetric delivery of which can be regulated by varying the axial width of the pump working chambers. The vanes are carried in an axially fixedly disposed vane-carrier which rotates with the rotor. An axial slide...	03/21/1995
5306127	Fluid pump with axially adjustable gears A fluid pump is arranged to employ cooperating gears that are arranged for axial displacement relative to one another, whereupon a volumetric chamber positioned between a surrounding housing and one of a plurality of inter-nesting first and second cylindr...	04/26/1994
4812111	Variable displacement rotary fluid machine An internally meshing gear-pump, or motor comprises inlet and outlet ports 27,28 for the working fluid through a sealing plate 5 mounted on the shaft 1, an externally-toothed gear 2 is longitudinally displaceable relative to internally-toothed gears 3,4 t...	03/14/1989
4758137	Vane type variable displacement motor A vane type variable displacement motor comprising a body having an elliptical first bore, end caps with axial bores, an axial drive shaft journaled therethrough and a rotor on the shaft. A plurality of radial vanes are movably mounted upon and around the...	07/19/1988
4561831	Rotary hydraulic axially slidable vane device of variable capacity A rotary hydraulic device of the displacement pump type having coaxial rotor and stator and vanes axially slidable in the rotor, the stator comprising at least one bottom surface formed with a variable number of deformations having rectilinear zones suita...	12/31/1985
4551080	Variable displacement sliding vane pump/hydraulic motor This invention, a variable displacement sliding vane pump/hydraulic motor, incorporates an eccentric chamber in which a rotor with a plurality of axially and radially moveable sliding vanes rotates. Axial positioning of the sliding vanes is accomplished b...	11/05/1985
4545204	Infinitely variable tandem transmission A hydraulic transmission with infinitely variability comprising a pair of identical cages in mirror image configuration containing radial slots, radial and axial vanes within the slots and camming surfaces to reciprocate the radial and axial vanes over th...	10/08/1985
4503928	Hydraulic motor and hydrostatic power transmission using such motor A hydraulic motor comprises vanes slidable axially in lodgings of a rotor against a continuous stator bottom surface. The motor works with a hydrostatic transmission of power applied to rolling stock. The bottom surface has recesses formed therein on mova...	03/12/1985
4487559	Hydraulic machine with retractable partitions and variable cubic capacity A hydraulic motor of variable cubic capacity with retractable partitions sed in radial grooves in a rotor. The partitions are each integral with a guide pin trapped in an endless cam groove of approximately ovoid shape in a surface stator. The partitions...	12/11/1984
4188176	Variable displacement rotary fluid energy converter An elongate rotor operated by a crank and rotating within a generally triangular chamber to act as a positive displacement pump or fluid motor. Sliding the rotor axially through a close-fitting hole in a plate which is free to move radially but not axiall...	02/12/1980
4046493	Sliding vane machine In a sliding vane machine a work can be accomplished by a pressure fluid rotating a rotor provided with a plurality of sliding vanes, which function as turbine blades, whereby the work is taken out as a rotational motion at the rotor shaft. If the machine...	09/06/1977
4008982	Rotary fluid energy converter A mechanism with only two dynamic components, in which rotating crank motion is converted to intermittent rotation of an elongate rotor within a generally triangular chamber and vice versa. When the rotor and chamber are enclosed, the mechanism becomes a ...	02/22/1977
3981637	Variable displacement rotary machine with oscillating piston slides A rotary piston engine comprising a stator and a rotor including piston slides in the rotor, and working chambers between the rotor and the stator wherein movable parts are provided in the stator for adjusting the volume of the working chambers....	09/21/1976

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Class 418/28 - By axial movement of movable member