Motor Driven Patents (Class 417/321)
- Heat exchange means between pump fluid and secondary motor contacting fluid (Class 417/367)
- Including additional means for motivating fluid flow to or from motor (e.g., auxiliary pump, pump fluid induced flow path, etc.) (Class 417/368)
- Pump fluid directed to motor via downstream branched flow path (Class 417/369)
- Pump fluid flows serially from motor through pump (Class 417/371)
- Steam motor discharge into pump fluid (Class 417/376)
- Serial flow fluid from pumping chamber through motor working chamber (Class 417/377)
- With motive fluid generator (Class 417/379)
- Motor discharge into or upstream of pumping chamber (Class 417/391)
- Common pumping and motor working member (Class 417/392)
- Rectilinearly reciprocating motor working members coaxial with intermediate unitary pumping member (Class 417/396)
- Rectilinearly reciprocating pumping members coaxial with intermediate unitary motor working member (Class 417/397)
- Rectilinearly reciprocating cylinder and piston-type motor (Class 417/398)
- Rotary motor (Class 417/405)
- Including electric power generating or storage means (Class 417/411)
- Collapsible wall pump (Class 417/412)
- Internal - external pressure balancer (Class 417/414)
- Reciprocating rigid pumping member (Class 417/415)
- Pump magnetically coupled to rotary drive (Class 417/420)
- Trapped air motor seal (i.e., diving bell type) (Class 417/421)
- Sealed service conduit (Class 417/422)
- Rotary motor and rotary nonexpansible chamber pump (Class 417/423.1)
- Having piezoelectric driven blade (Class 417/410.2)
- Rotary expansible chamber pump (Class 417/410.3)