Matches 301 - 350 out of 357 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
4856973 Scroll-type fluid machine with specific inner curve segments  
A scroll-type fluid machine includes a stationary spiral element and a revolving spiral element having a substantially identical configuration and a central small chamber defined between abutting...
4834633 Scroll machine with wraps of different thicknesses  
A scroll compressor can be provided with different wrap thicknesses to compensate for the different material properties of the orbiting and fixed scroll elements. The concept of different wrap...
4824345 Scroll member for scroll type fluid displacement apparatus  
A scroll type fluid displacement apparatus is disclosed in which a pair of scrolls interfit at an angular and radial offset, each scroll including a circular end plate and a spiral element. The...
4815952 Scroll type fluid displacement apparatus with improved fixed scroll construction  
A scroll type fluid displacement apparatus including an orbiting scroll and a fixed scroll, each having an end plate and a spiral element is disclosed. The spiral elements interfit at an angular...
4802831 Fluid machine with resin-coated scroll members  
A compressor has stationary and orbiting scroll members formed thereon with spiral wraps engaged with each other to define compression chambers which, when the orbiting scroll member is moved...
4781550 Scroll compressor with driving and driven scrolls  
In a scroll type compressor, the shaft of a driven scroll is rotatably supported in a sealing container so that the axis of rotation of the driven scroll shaft is deviated from the axis of rotation...
4781549 Modified wrap scroll-type machine  
There is disclosed a scroll-type machine suited for use as a gaseous fluid compressor. The machine incorporates symmetrical scroll members of substantially one wrap that have modified inner ends to...
4773835 Scroll type pump with wrap curve offset for thermal expansion  
A scroll type pump has a fixed scroll and an orbiting scroll engaging therewith, wherein a curve of a wrap of either of the scrolls is offset inwardly or outwardly relative to a set curve so as to...
4715797 Rotary-piston displacement machine  
In a rotary-piston displacement machine, as is suitable, for example, for supercharging internal combustion engines, having at least two spiral-like delivery chambers in a stationary housing and...
4690625 Scroll-type fluid machine with configured wrap edges and grooves  
A scroll-type fluid machine includes an orbiting scroll member and a stationary scroll member each of which has an end plate and a spiral wrap protruding upright therefrom. The scroll members are...
4678416 Rotary type fluid machine  
A rotary fluid machine of the type including two spiral elements, or a stationary spiral element and a revolving spiral element having identical configurations and disposed 180 degrees apart from...
4666380 Scroll type fluid machine with prevention of stress concentration  
A scroll type fluid machine comprising a pair of mutually engaged scroll members each including a side plate and a spiral lap uprightly disposed on an inside surface of the side plate; when the...
4645436 Scroll type fluid displacement apparatus with improved anti-wear device  
A scroll type fluid displacement apparatus is disclosed which includes a pair of scrolls each having a circular end plate and a spiral element extending from one end surface of the circular end...
4639201 Scroll-type machine with variable wrap thickness  
A scroll machine is disclosed in which the wrap of one of the scroll members is formed in two pieces which can be moved with respect to one another to change the effective thickness of the wrap and...
4627800 Scroll type fluid displacement compressor with spiral wrap elements of varying thickness  
A scroll type fluid displacement apparatus is disclosed which includes a pair of scrolls each having a circular end plate and spiral element extending therefrom. The scrolls are maintained at an...
4626179 Axial thrust load mechanism for a scroll type fluid displacement apparatus  
A scroll type fluid displacement apparatus includes a pair of scrolls each having a circular end plate from which a spiral element extends. Both spiral elements interfit at an angular and radial...
4615091 Method of and apparatus for processing a scroll member for a scroll type compressor  
A method of processing a scroll member having a spiral wrap and an end plate which is conducted by effecting a shaving on at least one side surface of the spiral wrap by a tool while applying to...
4613291 Inlet construction for a scroll compressor  
Efficiency of a scroll type compressor or pump having interfitting, generally spiralled vanes is achieved by disposing passages in the outer wraps of the vanes in proximity to the radially outer...
4609334 Scroll-type machine with rotation controlling means and specific wrap shape  
There is disclosed a scroll-type machine specifically suited for use as a gaseous fluid compressor. The machine incorporates an improved rotation controlling mechanism which is extremely simple in...
4594061 Scroll type compressor having reinforced spiral elements  
A scroll type compressor is disclosed having a pair of scroll members which interfit with one another at an angular and a radial offset to define at least one pair of sealed-off fluid pockets of...
4579512 Scroll-type fluid machine with radial clearance between wraps  
A scroll-type fluid machine having a stationary scroll member and an orbiting scroll member each of which includes a disc-like end plate and a spiral wrap extending axially from one side of the end...
4558997 Scroll compressor with planar surfaces on the internal end portions of the scroll blades  
A scroll compressor includes a casing, an electric motor and a compressor unit housed in the casing and the compressor unit comprises a movable member having a first scroll blade driven...
4551081 Pulley mechanism for fluid displacement apparatus  
A fluid displacement apparatus is disclosed. The apparatus includes a housing having a front end plate, a fixed member and an orbiting piston member. The fixed and orbiting piston members interfit...
4547137 Scroll type fluid compressor with thickened spiral elements  
A scroll type compressor has interfitting spiral elements with thickened inner end portions which are stronger than the inner end portions of conventional spirals, and minimize the re-expansion...
4540355 Axial sealing device for a scroll-type fluid displacement apparatus  
A scroll-type fluid displacement apparatus is disclosed having a pair of scroll members each comprising an end plate and a spiral wrap extending from one side of the end plate. The spiral wraps...
4527964 Scroll-type pump  
A scroll-type pump suitably used as a compressor in an automobile air-conditioning system. The pump is provided with a stationary scroll member and a movable scroll member, which movable scroll...
4494914 Scroll fluid apparatus with displaced centers for the scroll member end plates  
A scroll fluid apparatus including a stationary scroll member having an end plate of a disc shape and a spiral wrap disposed in upright position on the end plate and formed with a suction chamber...
4487560 Scroll fluid compressor with surface finished flat plates engaging the wraps  
In a scroll fluid compressor including orbiting and stationary scroll members having end plates and wraps in vortical form in upstanding positions on the end plates meshing with each other to...
4477239 Scroll type fluid displacement apparatus with offset wraps for reduced housing diameter  
A scroll type fluid displacement apparatus including a housing with a fluid inlet port and fluid outlet port is disclosed. A fixed scroll is joined with the housing and has a first circular end...
4477238 Scroll type compressor with wrap portions of different axial heights  
A scroll type compressor is disclosed which includes a housing, a fixed scroll and an orbiting scroll. The fixed scroll is fixedly disposed relative to the housing and has a circular end plate from...
4475875 Scroll type fluid displacement apparatus with balance weight  
A scroll type fluid displacement apparatus is disclosed, which includes a housing having a front end plate and a cup shaped casing. A fixed wrap extends into an operative interior area of the...
4472120 Scroll type fluid displacement apparatus  
A scroll type fluid displacement apparatus, for example a refrigerant compressor, includes reinforcing ribs on the rear side of the base plate of the orbiting scroll element to provide rigidity to...
4466784 Drive mechanism for a scroll type fluid displacement apparatus  
A scroll type fluid displacement apparatus is disclosed. The apparatus includes a housing having a front end plate and a scroll housing. A fixed wrap extends into an operative interior area of the...
4457674 High efficiency scroll type compressor with wrap portions having different axial heights  
An efficient scroll type compressor is disclosed which has a large number of spiral turns, yet yields gradual, controlled compression. The compressor includes a housing, a fixed scroll and an...
4443166 Scroll fluid apparatus with an arcuate recess adjacent the stationary wrap  
A scroll fluid apparatus including two scroll members, with one scroll member having a wrap and an annular portion located outside the wrap and having a height corresponding to the height of the...
4441870 Scroll member  
A scroll member including a wrap having its thickness boundaries defined by an outer side wall surface and an inner side wall surface, wherein the inner side wall surface of the wrap includes a...
4436495 Method of fabricating two-piece scroll members for scroll apparatus and resulting scroll members  
A two-piece scroll member, for use in scroll apparatus, is fabricated by seating a separately formed involute wrap in an involute channel cut in the end plate. The channel has at least one...
4424013 Energized-fluid machine  
According to the exemplary embodiment shown, the machine comprises a housing having a chamber formed therewithin which is circumscribed by a plurality of spiralled, parallel and arcuate lands with...
4417863 Scroll member assembly of scroll-type fluid machine  
A scroll member assembly of a scroll-type fluid machine, having a stationary scroll member and an orbiting scroll member each including an end plate and a wrap protruding upright from the end...
4382754 Scroll-type, positive fluid displacement apparatus with diverse clearances between scroll elements  
The invention comprises a positive fluid displacement apparatus of the scroll-type described as a fluid compressor in the exemplary embodiment. The embodiment has single fixed and movable scroll...
4304535 Scroll-type compressor units with minimum housing and scroll plate radii  
A scroll-type compressor unit including fixed and orbiting scroll members contained within a cylindrical housing. Each scroll member has an end plate and a spiral element. In order to reduce the...
4303379 Scroll-type compressor with reduced housing radius  
A scroll-type compressor unit which includes fixed and orbiting scroll members contained within a cylindrical housing. Each scroll member has an end plate and a spiral element. In order to reduce...
4300875 Positive displacement machine with elastic suspension  
In a displacement machine operating according to the spiral principle and having two displacement elements presenting respective axially interengaging sprial-shaped walls, and drive means connected...
4204816 Discharge and pressure relief ports for mechanisms with involute shaped vanes  
In a pump having scroll vane impellers, rapid-opening additional discharge orts are formed by slats in the scroll vanes overlapping slats in the opposing end plates, thereby allowing fluids to be...
4157234 Scroll-type two stage positive fluid displacement apparatus  
The invention comprises a positive fluid displacement apparatus of the scroll type described as a fluid compressor in the exemplary embodiment. The embodiment has single fixed and movable scroll...
4129405 Scroll-type liquid pump with transfer passages in end plate  
Scroll apparatus for pumping liquids wherein recessed liquid transfer passage means are provided in the end plates of the scroll members. The transfer passage means may be inner passages within the...
4082484 Scroll-type apparatus with fixed throw crank drive mechanism  
A positive fluid displacement scroll apparatus (compressor or expander) wherein the scroll members run with a small clearance between the wrap side flanks, thus essentially eliminating wearing of...
3994635 Scroll member and scroll-type apparatus incorporating the same  
A scroll member is provided for use in scroll-type apparatus. It is formed of a separate end plate having an involutely configured groove in the face thereof and a separate involute wrap which is...
3989422 Displacement machine for compressible media  
A displacement machine for compressible media comprising a displacement compartment bounded by an inwardly situated spiral-shaped side wall and an outwardly situated spiral-shaped side wall, the...
3986799 Fluid-cooled, scroll-type, positive fluid displacement apparatus  
Cooling means are provided for the stationary and orbiting scroll members of scroll-type apparatus. These cooling means comprise fluid coolant channels in the end plates and in the involute wraps...
Matches 301 - 350 out of 357 < 1 2 3 4 5 6 7 8 >