LandOfFree - US Patents - Listing for Pumps,Expansible chamber type

Pumps – Expansible chamber type – Having separate noncyclic valve

Compressor having a control valve in a suction passage thereof

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor having a discharge valve mechanism including a...

Pumps – Expansible chamber type – Valved piston

Compressor having an improved valved piston device

Pumps – Expansible chamber type – Having pulsation dampening fluid receiving space

Compressor having concentrically walled damper

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor having easily installed check valves

Pumps – Expansible chamber type – Having separate noncyclic valve

Compressor having functions of discharge interruption and discha

Pumps – Expansible chamber type – Having pulsation dampening fluid receiving space

Compressor having structure for suppressing pulsation

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor in an airtight refrigerating unit with improved...

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor including tapered discharged valve and valve seat

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor piston with reduced discharge clearance

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor provided with an improved piston

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor reed valve with valve plate channel

Pumps – Expansible chamber type

Compressor section in an easily assembled motor-compressor unit

Pumps – Expansible chamber type – Valved piston

Compressor suction and discharge valve assembly

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor suction gas heat shield

Pumps – Expansible chamber type – Valved piston

Compressor suction valve of toroidal shape with a radial finger

Pumps – Expansible chamber type – Having separate noncyclic valve

Compressor unloader apparatus

Pumps – Expansible chamber type – Having separate noncyclic valve

Compressor unloader assembly

Pumps – Expansible chamber type – Having pumping chamber pressure responsive distributor

Compressor valve