Rotary Expansible Chamber Devices Patents (Class 418)
- One working chamber stage encircles another (Class 418/6)
- Successive stages alternately produce work (Class 418/7)
- Working fluid engages working member serially in circumferentially spaced working chambers (Class 418/8)
- Interengaging rotary members (Class 418/9)
- Sliding abutment (Class 418/11)
- Swinging abutment (Class 418/12)
- Sliding vane (Class 418/13)
- Speed controlled (Class 418/17)
- Intermittently accelerated and receding members rotate in same path (alternating piston type) (Class 418/18)
- Intermeshing rotary members (Class 418/19)
- Axially or radially spaced working chambers (Class 418/22)
- By adjustably limiting vane or abutment movement (Class 418/23)
- Spring or fluid biased movable member (Class 418/24)
- By axial movement of movable member (Class 418/28)
- Rotating inner working or reacting member repositioned relative to cylinder (Class 418/29)
- By cylinder or cylinder portion pivotal movement (Class 418/30)
- Cylinder or cylinder portion moved linearly and radially (Class 418/31)
- Helical working member, e.g., scroll (Class 418/55.1)
- Non-metallic working member, cylinder or partition (Class 418/56)
- Adjustable or resiliently biased working member (Class 418/57)
- Plural working members or chambers (Class 418/58)
- Partition pivotally connected to working member and cylinder (Class 418/62)
- With relatively movable partition member (Class 418/63)
- Non-working fluid directed to groove (Class 418/76)
- Grooved working member surface (Class 418/77)
- Working fluid portion fills intertooth spaces or spaces between adjacent vanes (Class 418/78)
- Radial groove (Class 418/79)
- Radially spaced grooves (Class 418/80)
- Annular groove or recess completely encircles rotation axis (Class 418/81)
- Groove communicates with vane slot (Class 418/82)
- With condition responsive control of non-working fluid (Class 418/84)
- With heat exchange means for non-working fluid (Class 418/85)
- Heat exchange by diverted incoming or outgoing working fluid (Class 418/86)
- Valve regulated non-working fluid (Class 418/87)
- With pump for non-working fluid (Class 418/88)
- With filter for non-working fluid (Class 418/89)
- Wick or absorbent material feed (Class 418/90)
- Non-working fluid passage in inner working or reacting member (Class 418/91)
- Vent or non-seal means prevents working and non-working fluid intermix (Class 418/95)
- Outer cylinder member immersed or submerged in non-working fluid (Class 418/96)
- Non-working and working fluids intermix in working chamber (Class 418/97)
- Intermixed incoming working and non-working fluids (Class 418/100)
- With coolant air impelling means or finned cylinder surface (Class 418/101)
- Abutment position adjustment (Class 418/105)
- Vane position adjustment (Class 418/106)
- By changing working member or cylinder relative position (Class 418/107)
- By axially relatively moving working member sections (Class 418/110)
- By axially relatively moving vane or abutment sections (Class 418/111)
- Seal on working member periphery separates inlet and outlet ports (Class 418/112)
- Seal on cylinder engaging rotary member separates inlet and outlet ports (Class 418/125)
- Cup shaped cylinder axially movable to abut cylinder side (Class 418/130)
- Axially movable end wall or end wall portion (Class 418/131)
- Seal element between working member and vane (Class 418/136)
- Seal element between abutment and cylinder or working member (Class 418/139)
- Seal element between working member and cylinder (Class 418/140)
- Seal element between vane and cylinder (Class 418/145)
- Seal element between stationary cylinder parts (Class 418/149)
- With movable partition (Class 418/192)
- Each tapered (Class 418/194)
- Non-parallel axis (Class 418/195)
- Three or more (Class 418/196)
- Intermittent rotation (Class 418/198)
- Multiple units (Class 418/199)
- Helical or herringbone (Class 418/201.1)
- Eccentrically mounted (Class 418/204)
- Like rotary members (Class 418/205)
