Patents
Patents for F04D 17 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids (4,320)
08/1985
08/28/1985EP0153066A1 Dual-entry centrifugal compressor
07/1985
07/23/1985US4530639 Dual-entry centrifugal compressor
06/1985
06/25/1985CA1189492A1 Diaphragm construction for a multi-stage compressor
06/18/1985US4523896 Centrifugal compressor
06/04/1985CA1188153A1 Full admission pitot pump
04/1985
04/23/1985US4512725 Rotary vacuum pump
04/02/1985US4508022 Ceiling air outlet
03/1985
03/27/1985EP0134834A1 Cross-flow fan
03/05/1985US4502837 Multi stage centrifugal impeller
02/1985
02/13/1985EP0132793A1 Transverse fan
02/13/1985EP0132780A1 Transverse flow fan with increased exit flow velocity in the region of the side walls
01/1985
01/22/1985US4494908 Tangential blower
01/15/1985US4493611 Horizontally split casing of turbo machine
08/1984
08/28/1984CA1173307A1 Method of depositing metal coatings on the wall of chill moulds
08/07/1984CA1172219A1 Vortex generator for centrifugal fans
07/1984
07/31/1984US4462750 Electric fan assembly
07/17/1984CA1171044A1 Tangential blower
07/10/1984US4458666 Warm air blow-out device for box-shaped stove
06/1984
06/26/1984US4456435 Scroll type fluid displacement apparatus
05/1984
05/29/1984US4450755 Air blower arrangement for producing air screen and related method
04/1984
04/11/1984EP0105140A2 Shaft seal
03/1984
03/20/1984CA1163968A1 Power-driven centrifugal air blower
02/1984
02/21/1984US4432694 Blower
02/01/1984EP0099615A2 Centrifugal fan with flow control
01/1984
01/31/1984US4428715 Multi-stage centrifugal compressor
01/10/1984CA1160190A1 Centrifugal vapor compressor and a method of setting a maximum throttling position thereof
12/1983
12/27/1983US4422822 Rotating fiber array molecular driver and molecular momentum transfer device constructed therewith
12/06/1983US4419049 Low noise centrifugal blower
11/1983
11/08/1983US4413946 Vented compressor inlet guide
09/1983
09/27/1983US4406585 Impeller assembly for a blower mechanism
09/13/1983US4404232 Method of depositing metal coating layers containing particles on the walls of chill moulds
08/1983
08/24/1983EP0086460A1 High vacuum rotary pump
08/02/1983CA1151007A1 Case construction for multi-stage pump
07/1983
07/19/1983CA1150208A1 Two-stage turbo compressor
06/1983
06/08/1983EP0080606A1 Ceiling air outlet
06/01/1983EP0080251A1 Multi-stage centrifugal compressor
05/1983
05/31/1983USRE31259 Two-stage turbo compressor
04/1983
04/05/1983CA1144125A1 Multi-stage centrifugal compressor
03/1983
03/08/1983US4375939 Capacity-prewhirl control mechanism
02/1983
02/08/1983US4372409 Cross-flow fan for transverse engine vehicle
02/01/1983US4371313 Miniature diagonal blower with axial flow inlet and radial flow outlet
12/1982
12/29/1982EP0067884A1 A fluid deflecting arrangement
10/1982
10/26/1982US4355951 Full admission pitot pump
10/05/1982CA1132953A1 Regenerative rotodynamic machines
08/1982
08/31/1982US4347033 Concrete pump and method of using same
07/1982
07/28/1982EP0056483A1 Electric cross-flow fan assembly
07/08/1982WO1982002228A1 Flow direction control device
06/1982
06/15/1982US4334821 Regenerative rotodynamic machines
06/01/1982US4332522 Hard vacuum pump
05/1982
05/12/1982EP0051178A1 Assembly and disassembly methods and apparatus
05/04/1982US4327869 Fluid deflecting assembly
04/1982
04/21/1982EP0049881A1 Scroll type fluid displacement apparatus with compression modifying means
02/1982
02/03/1982EP0045087A1 Cross-flow fan for transverse engine vehicle
01/1982
01/19/1982US4311025 Gas compression system
01/13/1982EP0043701A2 Capacity control for a scroll-type fluid displacement apparatus
01/06/1982EP0043017A1 Guide vanes variation means for a radial compressor
12/1981
12/22/1981US4306833 Regenerative rotodynamic machines
12/08/1981US4304104 Pitot heat pump
12/01/1981US4303375 Closable vane turbine ventilator
10/1981
10/27/1981CA1111312A1 Turbine pump
07/1981
07/28/1981US4280791 Bi-directional pump-turbine
07/07/1981US4277223 Case construction for multi-stage pump
06/1981
06/30/1981CA1104103A1 Fans or the like
06/10/1981EP0029895A1 Improved case construction for multi-stage pump
05/1981
05/26/1981US4269571 Blowing apparatus
03/1981
03/10/1981US4255081 Centrifugal pump
03/10/1981US4255080 Fans or the like
02/1981
02/17/1981US4251183 Crossover duct assembly
02/11/1981EP0023784A1 Power-driven centrifugal air blower
01/1981
01/22/1981WO1981000139A1 Multi-stage centrifugal compressor
01/20/1981US4245965 Gas-handling apparatus
01/07/1981EP0021709A1 Multi stage centrifugal compressor and its application to a turbine
01/07/1981EP0021435A1 Air-powered motor and a rotor therefor
11/1980
11/18/1980US4234290 Turbine pump
11/04/1980US4231702 Two-stage turbo compressor
10/1980
10/15/1980EP0016834A1 Oil free gas compressor
09/1980
09/23/1980US4224010 Multistage turbocompressor with diagonal-flow impellers
08/1980
08/26/1980US4219306 Multistage turbocompressor with multiple shafts
08/19/1980US4218176 Fluid propulsion apparatus
07/1980
07/22/1980CA1082150A1 Turbine-compressor unit with means for preventing oil leakage
07/08/1980US4211514 Mixed flow fan
06/1980
06/11/1980EP0011983A1 Regenerative rotodynamic machines
06/11/1980EP0011982A1 Regenerative rotodynamic machines
05/1980
05/13/1980CA1077449A1 Ventilating suction and exhaust fan device of plate type
04/1980
04/03/1980WO1980000594A1 Oil free gas compressor
11/1979
11/27/1979CA1067051A1 Thermodynamic compressor
10/1979
10/16/1979US4171182 Extractor pump for fluids under vacuum
09/1979
09/18/1979CA1062544A1 Turbine engine and pump
05/1979
05/22/1979US4155684 Two-stage exhaust-gas turbocharger
03/1979
03/21/1979EP0001129A1 Cross-flow fan for use under high-temperature conditions.
01/1979
01/09/1979CA1046030A1 Ventilating suction and exhaust fan device of sirocco type
12/1978
12/19/1978CA1044472A1 Gas turbine driven high speed centrifugal compressor unit
11/1978
11/14/1978US4125345 Turbo-fluid device
08/1978
08/29/1978US4110065 Cock apparatus of automatic ignition type for gas appliance
08/08/1978US4105372 Fluid rotary machine
07/1978
07/25/1978US4102597 Ventilating suction and exhaust fan device of plate type
07/25/1978US4102596 Ventilating suction and exhaust fan device of sirocco type
05/1978
05/30/1978US4092088 Centrifugal fan enclosure
05/02/1978US4087200 Stator of multistage centrifugal compressor
04/1978
04/04/1978US4082477 Compressor having two or more stages
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