Pumps Patents (Class 417)
- Plural pumps having separate drive motors, supply sources, or delivery destinations (Class 417/2)
- By stopping pump in response to leakage into or from system (Class 417/9)
- By controlling starter motor for internal combustion engine (Class 417/10)
- By controlling free piston internal combustion engine (Class 417/11)
- Having timer or delay means (Class 417/12)
- Responsive to pump lubricant, sealant, or coolant condition (Class 417/13)
- Having ambient condition responsive means (Class 417/14)
- With control of pump drive transmission (Class 417/15)
- With plural separate drive motors for single pump unit (Class 417/16)
- With plural separate drive motor controlling elements (Class 417/17)
- Single motor control element responsive to means sensing diverse conditions (Class 417/18)
- Relatively movable elements sensing same system pressure for single control element (Class 417/25)
- With condition responsive control of pump fluid valve (Class 417/26)
- Responsive to pump or pump fluid temperature (Class 417/32)
- Pump stop control means requiring manual reset (Class 417/33)
- By controlling internal combustion drive engine (Class 417/34)
- By controlling wind motor in response to liquid accumulation (Class 417/35)
- Responsive to accumulation of pumped liquid in receiver (Class 417/36)
- In response to pump speed (Class 417/42)
- Responsive to change in rate of pump fluid flow (Class 417/43)
- By control of electric or magnetic drive motor (Class 417/44.1)
- By controlling drive motor motive fluid (Class 417/46)
- Having condition or position responsive control of pump discharge flow path (Class 417/57)
- Having condition or position responsive control of motive fluid supply (Class 417/58)
- Radially expansible piston portion controls pump and motor chamber intercommunication (Class 417/59)
- Mechanically actuated valve carried by piston (Class 417/60)
- Contact or entrainment within rotary impeller (Class 417/66)
- By ignition of motive fluid (Class 417/73)
- Jet pump with motive fluid generating pump (Class 417/76)
- Diverse pumps (Class 417/85)
- Liquid piston (Class 417/92)
- By condensation of motive fluid (Class 417/105)
- Aerated column (Class 417/108)
- Liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber (Class 417/118)
- Gravity flow motive fluid (Class 417/150)
- Jet (Class 417/151)
- Having condition responsive pumped fluid control (Class 417/213)
- Having means to hold or resist movement of pumping element (Class 417/214)
- By changing phasing of plural pistons in single chamber (Class 417/215)
- Plural pumps with individual or relative control (Class 417/216)
- Reversible flow pump (Class 417/217)
- Adjustable cam or linkage (Class 417/218)
- Disconnectable drive element (e.g., clutch, belt, shifter, etc.) (Class 417/223)
- Fluid motor for one stage supplied from another stage (Class 417/245)
- Stages driven by relatively movable motor working members (Class 417/246)
- Parallel stages to or from single stage (Class 417/248)
- Prior stage delivers to atmospheric chamber (Class 417/249)
- With interstage intake or additional inlet to latter stage (Class 417/250)
- With interstage discharge or additional discharge from former stage (Class 417/251)
- Condition responsive control of fluid (Class 417/253)
- Reciprocating rigid stages (Class 417/254)
- Responsive to pump created drive motor condition (Class 417/280)
- Lubricant condition responsive (Class 417/281)
- Plural separate sensing means for a single fluid controller (Class 417/282)
- Bypass or relief valve controls venting by movable pump chamber part (Class 417/283)
- Bypass or relief valve carried by movable pumping member (Class 417/284)
- Valve passage directly connecting concurrently contracting and expanding nonrotary pump chambers (Class 417/285)
- Plural pump units with individual or relative control (Class 417/286)
- Variable cutoff or pumping member controlled port (Class 417/289)
- Having timer or delay means for fluid controller (Class 417/290)
- Reversibly driven pump having bypass active in either flow direction (Class 417/291)
- Pumped fluid temperature responsive (Class 417/292)
- Driven pump part speed responsive (Class 417/293)
- Inlet throttle or stop valve (Class 417/295)
- Bypass or relief valve part carried by or carries distributor part (Class 417/296)
- Expansible chamber pump distributor operation modified (Class 417/297)
- Normally open bypass or relief passage closed by increased pressure or flow (Class 417/299)
- Fluid flow rate responsive (Class 417/300)
- Inlet pressure increase opens bypass from pump inlet to discharge (Class 417/301)
- Plural paths having individual condition responsive control means (Class 417/302)
- Manual actuation of condition responsive valve (Class 417/305)
- Pump inlet or pump chamber vented to ambient (e.g., vacuum breaker) (Class 417/306)
- Pressure responsive relief or bypass valve (Class 417/307)
- Magnetostrictive chamber (Class 417/322)
- Pump motor or starter driven by pump fluid (Class 417/323)
- Pump operated as motor to start prime mover drive (Class 417/324)
- Reversely rotated for starting (Class 417/325)
- Including means for selectively varying motor speed or rotary motor direction (Class 417/326)
- Reaction motor (Class 417/327)
- Spring or weight motor (Class 417/328)
- Tide or wave motor (Class 417/330)
- Fluid current motor (Class 417/334)
- Buoyant motor (Class 417/337)
- Relatively movable pumping members driven by relatively movable working members (Class 417/338)
- Common rotary pumping and fluid motor working member (Class 417/348)
- Common pump and motor chamber (Class 417/349)
- Motor rotor intermediate coaxial pump rotors (Class 417/350)
- Pump rotor intermediate coaxial motor rotors (Class 417/351)
- Motor within rotary pumping member (Class 417/352)
- Pump within rotary working member (Class 417/355)
- Pump fluid communicates with sealed chamber containing armature (Class 417/357)
- Pump - motor unit raised in vertical conduit by pressure fluid applied below unit (Class 417/358)
- Adjustable motor and pump rotor unit or relatively adjustable aligned pump and motor rotary shafts (Class 417/359)
- Including means for facilitating assembly or disassembly of pump to or from motor or fixed support (Class 417/360)
- Pump and motor unitarily adjustable relative to fixed support (Class 417/361)
- Pump and motor interconnected by endless flexible transmission element (Class 417/362)
- Resiliently mounted pump or motor (Class 417/363)
- Internal-combustion engine (Class 417/364)
- Axial thrust balancing means for rotary pump and motor (Class 417/365)
- Including means utilizing pump fluid for augmenting cooling, lubricating, sealing, or cleaning of motor (Class 417/366)
- Interrelated or common lubricating or cooling means for pump and motor (Class 417/372)
- With means to prevent heat transfer between pump and motor (Class 417/373)
- Including manual, mechanical, or diverse drive (Class 417/374)
- Fluid motor (Class 417/375)
- Electric or magnetic motor (Class 417/410.1)
- Liquid coolant introduced into gas pump chamber or inlet (Class 417/438)
- Having additional chamber intake connection from nonpumping space (Class 417/439)
- Having separate noncyclic valve (e.g., bypass, etc.) (Class 417/440)
- Selectively usable plural inlet or outlet distributors for single chamber (Class 417/442)
- Pressure responsive distributor opened responsive to pumping member position (Class 417/443)
- Having means for holding pressure responsive distributor open (Class 417/446)
- Pressure responsive distributor continuously biased open (Class 417/447)
- Pump mounted in vertical tubular flow conduit removable as unit by driving rod manipulation (Class 417/448)
- Valve element mounted in fixed chamber wall removable with pumping member (Class 417/451)
- Including valve assembly, disassembly, or inspection facilitating means (Class 417/454)
- Having valve parts relatively moved for nonvalving function (Class 417/455)
- Relatively movable serial distributors (Class 417/456)
- Moving cylinder (Class 417/460)
- Biasing means effects induction stroke of abutment driven, vacuum producing pumping member (Class 417/470)
- Biasing means effects eduction stroke of abutment driven, pressure producing pumping member (Class 417/471)
- Bellows-type chamber (Class 417/472)
- Elongated flexible chamber wall progressively deformed (Class 417/474)
- Inlet and discharge distributors at opposite ends of tubular flexible wall pumping chamber (Class 417/478)
- Distributor formed from integral portion of flexible wall pumping member (Class 417/479)
- Valve in collapsible wall pumping member (Class 417/480)
- Oscillating pumping member (Class 417/481)
- Delivery to different ports on successive strokes (Class 417/485)
- Plural pumping members in single pump chamber (Class 417/486)
- Control by withdrawal or tilting of pump piston relative to cylinder (Class 417/489)
- Pumping member position controlled port (Class 417/490)
- Multiple cyclic outlet paths (Class 417/502)
- Multiple cyclic inlet paths (Class 417/503)
- Plural outlet paths to single discharge line acting under different conditions (Class 417/504)
- Electrically or magnetically actuated distributor (Class 417/505)
- Distributor movement adjustable (Class 417/506)
- Distributor moved by separate fluid responsive surface (Class 417/507)
- Distributor part forms traversed movable pump chamber wall portion (Class 417/509)
- Mechanically actuated distributor (Class 417/510)
- Plural pumping chambers (Class 417/521)
- Having pulsation dampening fluid receiving space (Class 417/540)
- Valved piston (Class 417/545)
- Fluid serially moved to opposite side of pumping member (Class 417/555.1)
- Pump chamber in constant communication with inlet or discharge conduit (Class 417/557)
- First distributor includes passage controlled by second distributor (i.e., inlet and outlet) (Class 417/558)
- Having pumping chamber pressure responsive distributor (Class 417/559)