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Expansible Chamber Devices Patents (Class 92)

With temperature compensation (Class 92/1)
One working member reciprocates and another rotates common output member (Class 92/2)
With disengageable rotary drive for moving working member (Class 92/3)
With (1) signal or indicator or (2) inspection window in expansible chamber wall portion (Class 92/5R)
Effective area of working member end face selectively variable (Class 92/6R)
With overcenter means to bias working member in opposite directions over different portions of stroke (Class 92/7)
With means to control flow of non-working arresting fluid for working member (Class 92/8)
Displacement control of plural cylinders arranged in parallel, radial, or conical relationship with rotary transmission axis (Class 92/12.1)
Working member moves load and latching means for load (Class 92/14)
With releasable stop or latch means to prevent movement of working member (Class 92/15)
With releasable latch means between working member and power transmission element axially slidable therein (Class 92/29)
With resilient detent (Class 92/30)
Rectilinearly moving working member and coaxial or parallel element slidably interengaged for relative rotary movement (Class 92/31)
Bellows type expansible chamber (Class 92/34)
Plural flexible wall working members (Class 92/48)
Mutually relatively movable cylinder or sleeve, member sealingly slidable therein and outer cylinder therefor (Class 92/51)
Rotating cylinder (Class 92/54)
Knockdown or flow conduit storage or retrieval means (Class 92/58.1)
Convertible, or changeable by assembly or disassembly (Class 92/59)
With flexible or resiliently biased non-working member movable wall in constant communication with working chamber (Class 92/60)
Selective clearance control (Class 92/60.5)
Relatively movable working members (Class 92/61)
Ground embedded expansible chamber (Class 92/77)
With fluid purifying means (Class 92/78)
With force exerting means to move fluid from non-working chamber (Class 92/80)
Working member forms reservoir for non-compressible working fluid (Class 92/81)
With means to control fluid flow from non-working chamber (Class 92/82)
Liquid pool sealing relatively movable chamber walls (Class 92/83)
Resilient means interposed between working member and relatively movable power transmission element (Class 92/84)
With cushioning means effective over a portion only of stroke (Class 92/85R)
With removal conduit for liquid seepage from expansible chamber (Class 92/86)
Passage in cylinder for application of separate fluid to cylinder and piston side wall interface (Class 92/86.5)
With non-sealing cleaning means (Class 92/87)
Sealed opening in longitudinal wall of chamber for receiving working member portion (Class 92/88)
Collapsible chamber wall portion (e.g., hinged or flexible wall) (Class 92/89)
Fluid conduit in constant communication with relatively rotatable working chamber (Class 92/106)
Annular working member or annular linearly extending chamber therefor (Class 92/107)
Piston with rigid axially extending hollow stem (Class 92/109)
With axially extending element mounted on working member for relative rotary movement only (Class 92/116)
Moving cylinder (Class 92/117R)
Oscillating working member or cylinder therefor (Class 92/120)
With differential radial thrust producing means for working member (Class 92/126)
With assembly or disassembly facilitating means (Class 92/128)
Abutment connection between working member and power transmission element (Class 92/129)
With separate biasing means for working member (Class 92/130R)
With toothed gear, spline or thread rigid with working member (Class 92/136)
With flexible transmission element secured to working member (Class 92/137)
With linkage or transmission engaging portion intermediate spaced working member end faces (Class 92/138)
With cylinder wall contacting guide articulated to piston (Class 92/139)
With linkage or transmission having relatively movable members (Class 92/140)
With separable fluid deflecting shield or baffle on working member (Class 92/141)
With reservoir for non-compressible working fluid (Class 92/142)
With movement damping means (e.g., fluid flow restrictor) (Class 92/143)
With encompassing heat exchange modifying space or jacket (Class 92/144)
Combined (Class 92/145)
Plural unitarily mounted cylinders or frame therefor (161) (Class 92/146)
With lubricating means (Class 92/153)
With support or frame (146) (Class 92/161)
Spaced cylinder and piston walls define passage between opposed piston side wall ends (Class 92/162R)
Fluid conduit or port in fixed wall of working chamber (Class 92/163)
With guide or seal on cylinder end portion for piston or member moved by piston (Class 92/165R)
Cylinder detail (Class 92/169.1)
Piston (Class 92/172)
Miscellaneous (e.g., crankcase) (Class 92/261)

Foreign Patent Art Collections

Class-related foreign documents (Class 92/FOR000)

Digests

Bearing on piston or cylinder (Class 92/DIG1)
Fluid bearing (Class 92/DIG2)
Flexible drive (Class 92/DIG3)
Lost motion (Class 92/DIG4)