Motors: Expansible Chamber Type Patents (Class 91)
- Three or more cylinders arranged in parallel, radial or conical relationship with rotary transmission axis (Class 91/6.5)
- Selective cyclic and noncyclic operation or parking (Class 91/7)
- Semi-compound type (Class 91/8)
- Changeable from multiple expansion to simple operation (Class 91/11)
- Cyclically operable motor with port reversing (Class 91/12)
- Drifting or coasting on lower pressure (Class 91/16)
- Diverse paths used to control extent of working member travel (Class 91/19)
- Position responsive (Class 91/20)
- Second path activated in response to pressure or flow in first path (Class 91/28)
- Serially arranged reversing valves (Class 91/30)
- One path includes restriction (Class 91/31)
- Activation of one path disables second path (Class 91/32)
- Duplex (Class 91/153)
- With fluid actuated distributor (Class 91/155)
- Concentric working chambers (Class 91/156)
- Relative valving adjustment between high and low pressure working chambers (Class 91/157)
- Expansion between relatively movable working members (Class 91/159)
- Fluid expanded through working member (Class 91/163)
- Dual, rigidly connected high and low pressure faces (Class 91/164)
- Condition responsive control of drive transmission (Class 91/473)
- Separate fluid supply or discharge paths (Class 91/474)
- Having yieldable drive transmission (Class 91/475)
- Separate motive fluid control for each working chamber (Class 91/476)
- Means varies cyclic relation between reciprocating member and control valve therefor (Class 91/482)
- Control valve seating surface contact maintained by fluid pressure bias (Class 91/484)
- Motive fluid bypass to or from assembly (Class 91/486)
- Motive fluid supply or discharge through piston (Class 91/490)
- Radially disposed cylinders (Class 91/491)
- Cylinders parallel to rotation axis (Class 91/499)
- Synchronizing in response to sensed difference in positions (Class 91/171)
- One working member oppositely biased by another (Class 91/172)
- One working member forms movable chamber for another (Class 91/173)
- With connection to relatively movable output member disposed between spaced unitary end faces (Class 91/174)
- Moving cylinders (Class 91/176)
- Oscillating working members (Class 91/177)
- Single valve unit controlling plural working chambers (Class 91/178)
- Interconnected working members in communicating chamber portions (Class 91/181)
- Means connecting working members actuates common part controlling motive fluid for the members (Class 91/182)
- With means interconnecting working members to cause relative motion (Class 91/183)
- Position of one working member controls motive fluid for another (Class 91/189R)
- Mine props (Class 91/170MP)
- With dwell (Class 91/219)
- With condition responsive stop means (Class 91/220)
- Distributor in piston (422) (Class 91/222)
- Codirectional separately supplied working members (Class 91/230)
- Valveless distribution (Class 91/232)
- Working chamber receives controlled motive fluid supply from opposed chamber having constant supply (321) (417) (Class 91/235)
- Multiple exhaust passages (e.g., compression control, etc.) (Class 91/236)
- Clearance control (Class 91/245)
- Correlated throttle valve and distributor (Class 91/246)
- Timing control by relative adjustment of plural movable fluid control elements (Class 91/247)
- Relatively movable serial distributors (Class 91/264)
- Relatively movable inlet and exhaust valves (Class 91/265)
- With independent throttle adjustment for one side of double-acting motor (Class 91/274)
- Electrically or magnetically actuated or adjusted distributor (459) (Class 91/275)
- Distributor forms traversed movable portion of working chamber wall (423) (Class 91/276)
- Adjustable working member reversal position (e.g., stroke control, etc.) (Class 91/277)
- Pulsator-actuated distributor (460) (Class 91/280)
- Working member controlled motive fluid for distributor motor (Class 91/281)
- Motive fluid constantly applied to one working member face (235) (417) (Class 91/321)
- With independently operable means to lock distributor (Class 91/322)
- Relatively movable distributors for opposed working chambers (Class 91/323)
- Working member controlled inlet or exhaust port (e.g., semi-valveless, etc.) (Class 91/325)
- Distributor moves transverse and parallel to same line (Class 91/326)
- Distributor moves about axis parallel to working member reciprocatory path (Class 91/327)
- Distributor peripherally engages (1) working chamber wall, or (2) cylinder between opposed working faces (Class 91/328)
- Distributor located in cylinder between spaced working faces (Class 91/329)
- With independently operable means to move or means to adjust movement of distributor (Class 91/330)
- With throttle valve or distributor throttle adjustment (Class 91/335)
- With means independent of distributor reversing parts to cyclically hold distributor (Class 91/337)
- Oscillating working member (Class 91/339)
- Distributor actuator extends into working chamber (Class 91/341R)
- Biasing means moves distributor after predetermined travel (i.e., snap action) (Class 91/344)
- Distributor actuator between space piston faces (Class 91/348)
- Working member reverses distributor through part movable relative to both (Class 91/350)
- Regenerative or positive feedback type (Class 91/359)
- With safety means operable upon input signal loss (Class 91/360)
- Electrical input and feedback signal means (459) (Class 91/361)
- With means to vary feedback signal in response to rate of working member movement (Class 91/364)
- With main valve position feedback to pilot valve (Class 91/365)
- Speed governor controlled input signal (458) (Class 91/366)
- Plural input signal means for single motor valve (453) (Class 91/367)
- Follower type (Class 91/368)
- Bias-type input and feedback signal means (Class 91/385)
- Fluid operated (Class 91/388)
- Adjustable (Class 91/389)
- Valve locking means (Class 91/358A)
- Position initiated timing or delay means (Class 91/393)
- Working member carries part within working chamber which controls port in chamber end wall (Class 91/394)
- Alternate control of inlet and exhaust for same chamber at opposite ends of stroke (Class 91/397)
- Simultaneous control of inlet and exhaust of same chamber (Class 91/398)
- Bypassing between expanding chamber and closed or throttled contracting chamber (e.g., cushioning, etc.) (23) (Class 91/399)
- Venting expanding chamber (Class 91/400)
- Position controls actuating fluid for valve (Class 91/403)
- Exhaust control (Class 91/404)
- Working member controls relatively movable inlet valve (Class 91/410)
- Having (1) stand-by or (2) redundant means enabling load to be driven upon failure of primary load moving means (Class 91/509)
- Condition responsive means for modifying working member operation (Class 91/511)
- With means for selectively changing the speed or force exerted on load by the selective application of motive fluid in a single direction to one or more working members (Class 91/519)
- Motors connected in series (Class 91/520)
- Separate valve means actuatable by a common nonmanual actuator or separately actuatable means with common manual actuator (Class 91/521)
- With means to control the working fluid to one working member for movement relative to another without controlling the working fluid to the other working member by said means (Class 91/525)
- With means for proportioning motive fluid supply to plural motors (Class 91/532)
- Single valve for plural rigidly connected working members (Class 91/533)
- Single valve for relatively movable working members driving common load (Class 91/534)
- Relatively movable working members of unequal cross-sectional areas (Class 91/535)
- Single valve for relatively movable working members (Class 91/536)
- Responsive to (1) motive fluid temperature or state, or (2) motor position or orientation (Class 91/419)
- Contracting chamber exhaust valve controlled by expanding chamber pressure or flow (Class 91/420)
- Expanding chamber inlet controlled by contracting chamber pressure or flow (Class 91/421)
- Valved piston (222) (Class 91/422)
- Valve part forms traversed movable portion of working chamber wall (276) (Class 91/423)
- Two hand control (Class 91/424)
- With fluid pressure holding means for valve (Class 91/426)
- Plural manual control stations (Class 91/427)
- Manual control carried on or operated from load or output element (Class 91/428)
- Dither valve (Class 91/429)
- Valve parts continuously relatively moved for nonvalving function (Class 91/430)
- Continuous motive fluid flow through chamber in motor idle condition (Class 91/431)
- Inlet check valve with means for disconnectable supply line (468) (Class 91/432)
- Both inlet and exhaust controlled by motive fluid pressure in supply line or chamber (Class 91/433)
- Controlled by rate of movement of working member (Class 91/435)
- Inlet fluid supplemented by controlled fluid pressurized in opposed contracting chamber (Class 91/436)
- Independent control of bypass between opposed working chambers (Class 91/437)
- For exhausting contracting working chamber to expanding opposed nonworking (Class 91/440)
- With ambient fluid inlet valve to expanding working chamber (Class 91/441)
- Self-opening exhaust valve held closed by inlet pressure (268) (Class 91/442)
- To provide unequal inlet and exhaust flow rates to single working chamber (Class 91/443)
- Relatively movable serial valves (Class 91/444)
- Plural separately controlled waste passages for single working chamber (Class 91/449)
- Plural actuators for single valve means (367) (Class 91/453)
- Relatively movable inlet and exhaust valves for single working chamber (Class 91/454)
- Speed governor operated (366) (Class 91/458)
- Electrically operated (275) (361) (Class 91/459)
- Pulsator actuator for valve (280) (Class 91/460)
- Pilot valve (304) (Class 91/461)
- For double-acting motor (Class 91/462)
- Self-acting valve (432) (446) (451) (452) (Class 91/468)
- Unitary inlet and exhaust valve for single working chamber (Class 91/469)
