Rotary-piston machines or engines

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES

F01C1/00Rotary-piston machines or engines

F01C1/02of arcuate-engagement type F01C1/0207both members having co-operating elements in spiral form F01C1/0215where only one member is moving F01C1/0223with symmetrical double wraps F01C1/023where both members are moving F01C1/0238with symmetrical double wraps F01C1/0246Details concerning the involute wraps or their base F01C1/0253Details concerning the base F01C1/0261Details of the ports F01C1/0269Details concerning the involute wraps F01C1/0276Different wall heights F01C1/0284Details of the wrap tips F01C1/0292Ports or channels located in the wrap F01C1/04of internal-axis type F01C1/045having a C-shaped piston F01C1/06of other than internal-axis type F01C1/063with coaxially-mounted members having continuously-changing circumferential spacing between them F01C1/067having cam-and-follower type drive F01C1/07having crankshaft-and-connecting-rod type drive F01C1/073having pawl-and-ratchet type drive F01C1/077having toothed-gearing type drive F01C1/08of intermeshing engagement type F01C1/082Details specially related to intermeshing engagement type machines or engines F01C1/084Toothed wheels F01C1/086Carter F01C1/088Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement F01C1/10of internal-axis type with the outer member having more teeth or tooth-equivalents F01C1/101Moineau-type F01C1/102with a crescent shaped filler element located between the intermeshing elements F01C1/103the two members rotating simultaneously around their respective axes F01C1/104one member having simultaneously a rotational movement about its own axis and an orbital movement F01C1/105and having an articulated driving shaft F01C1/107with helical teeth F01C1/113the inner member carrying rollers intermeshing with the outer member F01C1/12of other than internal-axis type F01C1/123with tooth-like elements, extending generally radially from the rotor body cooperating with recesses in the other rotor F01C1/126with elements extending radially from the rotor body not necessarily cooperating with corresponding recesses in the other rotor F01C1/14with toothed rotary pistons F01C1/16with helical teeth F01C1/165having more than two rotary pistons with parallel axes F01C1/18with similar tooth forms F01C1/20with dissimilar tooth forms F01C1/22of internal-axis type with equidirectional movement of co-operating members at the point of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member F01C1/24of counter-engagement type F01C1/26of internal-axis type F01C1/28of other than internal-axis type F01C1/30having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members F01C1/32having both the movement defined in group F01C1/02 and relative reciprocation between the co-operating members F01C1/321with vanes hinged to the inner member and reciprocating with respect to the inner member F01C1/322with vanes hinged to the outer member and reciprocating with respect to the outer member F01C1/324with vanes hinged to the inner member and reciprocating with respect to the outer member F01C1/328and hinged to the outer member F01C1/332with vanes hinged to the outer member and reciprocating with respect to the inner member F01C1/336and hinged to the inner member F01C1/34having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members F01C1/344with vanes reciprocating with respect to the inner member F01C1/3441the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation F01C1/3442the surfaces of the inner and outer member, forming the working space, being surfaces of revolution F01C1/3443with a separation element located between the inlet and outlet opening F01C1/3445the vanes having the form of rollers, slippers or the like F01C1/3446the inner and outer member being in contact along more than one line or surface F01C1/3447the vanes having the form of rollers, slippers or the like F01C1/3448with axially movable vanes F01C1/348the vanes positively engaging, with circumferential play, an outer rotatable member F01C1/352the vanes being pivoted on the axis of the outer member F01C1/356with vanes reciprocating with respect to the outer member F01C1/3562the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation F01C1/3564the surfaces of the inner and outer member, forming the working space, being surfaces of revolution F01C1/3566the inner and outer member being in contact along more than one line or surface F01C1/3568with axially movable vanes F01C1/36having both the movements defined in sub-groups F01C1/22 and F01C1/24 F01C1/38having the movement defined in group F01C1/02 and having a hinged member F01C1/39with vanes hinged to the inner as well as to the outer member F01C1/40having the movement defined in group F01C1/08 or F01C1/22 and having a hinged member F01C1/44with vanes hinged to the inner member F01C1/46with vanes hinged to the outer member