with helical teeth

Industry

CPC
F04C18/16

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C18/00Rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C18/16with helical teeth

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Screw compressor
- Patent number 12,359,667
- Issue date Jul 15, 2025
- Hitachi Industrial Equipment Systems Co., Ltd.
- Shota Tanimoto
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressor-oil receiving device and compressor system having a comp...
- Patent number 12,352,269
- Issue date Jul 8, 2025
- Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
- Adrian Kramlich
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Rotor pair for a compression block of a screw machine
- Patent number 12,352,266
- Issue date Jul 8, 2025
- KAESER KOMPRESSOREN SE
- Gerald Weih
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Electric motor and vacuum pump
- Patent number 12,338,823
- Issue date Jun 24, 2025
- VACUUBRAND GMBH + CO KG
- Tobias Müller
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Methods and systems for air compressor and engine driven control
- Patent number 12,331,746
- Issue date Jun 17, 2025
- Illinois Tool Works Inc.
- Nathan Joe Jochman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Element, device and method for compression of a gas to be compresse...
- Patent number 12,320,358
- Issue date Jun 3, 2025
- Atlas Copco Airpower, naamloze vennootschap
- Mukesh Lalchandani
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotor assembly, compressor and air conditioner
- Patent number 12,305,641
- Issue date May 20, 2025
- Gree Electric Appliances, Inc. of Zhuhai
- Jianming Tan
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw compressor, refrigeration system, and method for controlling...
- Patent number 12,297,835
- Issue date May 13, 2025
- JOHNSON CONTROLS AIR CONDITIONING AND REFRIGERATION (WUXI) CO., LTD.
- Shengmei Yang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw compressor, and refrigeration apparatus
- Patent number 12,247,566
- Issue date Mar 11, 2025
- Daikin Industries, Ltd.
- Takashi Inoue
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Element for compressing a gas and method for controlling such element
- Patent number 12,234,825
- Issue date Feb 25, 2025
- Atlas Copco Airpower, naamloze vennootschap
- Wim Mathys
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compact variable volume index valve for screw compressor background
- Patent number 12,221,963
- Issue date Feb 11, 2025
- HITACHI GLOBAL AIR POWER US, LLC
- Jonathan D. Batdorff
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Spiral valve for screw capacity control
- Patent number 12,221,964
- Issue date Feb 11, 2025
- HITACHI GLOBAL AIR POWER US, LLC
- Jonathan D. Batdorff
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Scavenge loss limiter for a rotary compressor
- Patent number 12,215,692
- Issue date Feb 4, 2025
- Ingersoll-Rand Industrial U.S., Inc.
- Taylor Stratman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Element, device and method for compressing gas to be compressed hav...
- Patent number 12,209,587
- Issue date Jan 28, 2025
- Atlas Copco Airpower, naamloze vennootschap
- Mukesh Lalchandani
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotor assembly, compressor and air conditioner
- Patent number 12,188,472
- Issue date Jan 7, 2025
- Gree Electric Appliances, Inc. of Zhuhai
- Hua Liu
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Lubricant system for a compressor
- Patent number 12,188,471
- Issue date Jan 7, 2025
- Tyco Fire & Security GmbH
- Firas Gassan Asfoor
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Redundant pumping system and pumping method by means of this pumpin...
- Patent number 12,180,953
- Issue date Dec 31, 2024
- Ateliers Busch SA
- Paul Alers
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method for detecting and monitoring condensate in an oil system of...
- Patent number 12,180,963
- Issue date Dec 31, 2024
- Atlas Copco Airpower, naamloze vennootschap
- Jeroen Alois M. Firlefijn
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Airend having a lubricant flow valve and controller
- Patent number 12,173,714
- Issue date Dec 24, 2024
- Ingersoll-Rand Industrial U.S., Inc.
- Michael Borkowski
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Compressor containing oil separator with multiple internal muffler...
- Patent number 12,163,522
- Issue date Dec 10, 2024
- Daikin Industries, Ltd.
- Yoshiyuki Uemura
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Cooling arrangement and method for cooling an at least two-stage co...
- Patent number 12,163,511
- Issue date Dec 10, 2024
- Gardner Denver Deutschland GmbH
- Frank Georg Klaus
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Additively manufactured rotors for superchargers and expanders
- Patent number 12,163,460
- Issue date Dec 10, 2024
- EATON INTELLIGENT POWER LIMITED
- Tanille Jean Paniogue
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fluid machine and operating method thereof
- Patent number 12,140,143
- Issue date Nov 12, 2024
- Fu Sheng Industrial Co., Ltd.
- Yao-Chung Liu
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw compressor having working chamber closing member to regulate...
- Patent number 12,135,032
- Issue date Nov 5, 2024
- Hitachi Industrial Equipment Systems Co., Ltd.
- Takeshi Tsuchiya
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Screw rotor and method for manufacturing such screw rotor
- Patent number 12,129,850
- Issue date Oct 29, 2024
- Atlas Copco Airpower, naamloze vennootschap
- Karen Anna Leon Marien
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Screw compressor having a plurality of branch paths with intersects...
- Patent number 12,123,413
- Issue date Oct 22, 2024
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kotaro Chiba
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Liquid-cooled rotary compressor and coolant supply method therefor
- Patent number 12,123,411
- Issue date Oct 22, 2024
- Hitachi, Ltd.
- Nae Hisano
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw compressor with oil injection at multiple volume ratios
- Patent number 12,117,001
- Issue date Oct 15, 2024
- Ingersoll-Rand Industrial U.S., Inc.
- Daniel R. Crum
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Complex screw rotors having multiple helical profiles joined by a c...
- Patent number 12,110,888
- Issue date Oct 8, 2024
- Industrial Technologies and Services, LLC
- Luke Gray
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw compressor
- Patent number 12,110,889
- Issue date Oct 8, 2024
- Hitachi Industrial Equipment Systems Co., Ltd.
- Kotaro Chiba
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
COMPRESSOR APPARATUS AND METHOD OF OPERATING THE SAME
- Publication number 20250207592
- Publication date Jun 26, 2025
- KAESER KOMPRESSOREN SE
- Michael GUTSCHE
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Compressor device with cooling, and method for operating a compress...
- Publication number 20250198409
- Publication date Jun 19, 2025
- KAESER KOMPRESSOREN SE
- Dirk SIMROSS
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER
- Publication number 20250198407
- Publication date Jun 19, 2025
- Ingersoll-Rand Industrial U.S., Inc.
- Michael Borkowski
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Compressor installation having cooling, and method for operating a...
- Publication number 20250198408
- Publication date Jun 19, 2025
- KAESER KOMPRESSOREN SE
- Dirk SIMROSS
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR
- Publication number 20250188930
- Publication date Jun 12, 2025
- JOHNSON CONTROLS AIR CONDITIONING AND REFRIGERATION (WUXI) CO., LTD.
- Haixian Zhang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR
- Publication number 20250188929
- Publication date Jun 12, 2025
- Hitachi Industrial Equipment Systems Co., Ltd.
- Takeshi TSUCHIYA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
GAS COMPRESSOR
- Publication number 20250180019
- Publication date Jun 5, 2025
- Hitachi Industrial Equipment Systems Co., Ltd.
- Takehiro MATSUZAKA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPRESSOR UNIT AND METHOD FOR OPERATING A COMPRESSOR UNIT
- Publication number 20250172144
- Publication date May 29, 2025
- Bitzer Kuehlmaschinenbau GmbH
- Tihomir Mikulic
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Gas Compressor and Gas Compression System
- Publication number 20250154954
- Publication date May 15, 2025
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Takehiro MATSUZAKA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPRESSOR-OIL RECEIVING DEVICE AND COMPRESSOR SYSTEM HAVING A COMP...
- Publication number 20250137456
- Publication date May 1, 2025
- KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH
- Adrian KRAMLICH
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Oil Feed Type Compressor
- Publication number 20250129782
- Publication date Apr 24, 2025
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Tomoyuki KADO
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPRESSOR
- Publication number 20250122875
- Publication date Apr 17, 2025
- JOHNSON CONTROLS AIR CONDITIONING AND REFRIGERATION (WUXI) CO., LTD.
- Haixian Zhang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COOLING ARRANGEMENT AND METHOD FOR COOLING AN AT LEAST TWO-STAGE CO...
- Publication number 20250101971
- Publication date Mar 27, 2025
- GARDNER DENVER DEUTSCHLAND GmbH
- Frank Georg Klaus
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VARIABLE CAPACITY BYPASS VALVE FOR SCREW COMPRESSOR
- Publication number 20250084845
- Publication date Mar 13, 2025
- Hitachi Global Air Power US, LLC
- Jonathan D. BATDORFF
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
OIL-INJECTED COMPRESSOR DEVICE
- Publication number 20250067266
- Publication date Feb 27, 2025
- ATLAS COPCO AIRPOWER, naamloze vennootschap
- Manuel Paula Albert VANDEVOORDE
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Compressor/Expander Machine
- Publication number 20250044007
- Publication date Feb 6, 2025
- Bitzer Kuehlmaschinenbau GmbH
- Marcus Blumhardt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR
- Publication number 20250035115
- Publication date Jan 30, 2025
- Hitachi Industrial Equipment Systems Co., Ltd.
- Shota TANIMOTO
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPRESSOR
- Publication number 20250020126
- Publication date Jan 16, 2025
- DAIKIN INDUSTRIES, LTD.
- Yoshiyuki UEMURA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR AND FREEZER
- Publication number 20250012278
- Publication date Jan 9, 2025
- DAIKIN INDUSTRIES, LTD.
- Yoshiyuki UEMURA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR AND REFRIGERATION APPARATUS
- Publication number 20250012280
- Publication date Jan 9, 2025
- Daikin Industries, Ltd.
- Tadashi OKADA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR AND REFRIGERATION APPARATUS
- Publication number 20250012279
- Publication date Jan 9, 2025
- DAIKIN INDUSTRIES, LTD.
- Tadashi OKADA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SUPERCHARGED INTERNAL COMBUSTION ENGINE
- Publication number 20250003363
- Publication date Jan 2, 2025
- HANSEN ENGINE CORPORATION
- CRAIG N. HANSEN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
COMPLEX SCREW ROTORS
- Publication number 20240426298
- Publication date Dec 26, 2024
- Industrial Technologies and Services, LLC
- Luke Gray
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
LOW COEFFICIENT OF EXPANSION ROTORS FOR BLOWERS
- Publication number 20240426299
- Publication date Dec 26, 2024
- Industrial Technologies and Services, LLC
- Roger Clive Palmer
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
TWO-STAGE REFRIGERANT COMPRESSOR AND OPERATION METHOD THEREOF
- Publication number 20240418169
- Publication date Dec 19, 2024
- FU SHENG INDUSTRIAL CO., LTD.
- Wei-Hsu LIN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR, AND REFRIGERATION APPARATUS
- Publication number 20240401594
- Publication date Dec 5, 2024
- DAIKIN INDUSTRIES, LTD.
- Takashi INOUE
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
- Publication number 20240401595
- Publication date Dec 5, 2024
- GARDNER DENVER DEUTSCHLAND GmbH
- Ulrich Thomes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Screw Compressor
- Publication number 20240392785
- Publication date Nov 28, 2024
- HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
- Shigeyuki YORIKANE
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
SCREW COMPRESSOR HAVING ROTORS MOUNTED ON ONE SIDE
- Publication number 20240384719
- Publication date Nov 21, 2024
- GARDNER DENVER DEUTSCHLAND GmbH
- Ulrich Thomes
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
VIBRATION FREQUENCY ADJUSTMENT SYSTEM
- Publication number 20240384773
- Publication date Nov 21, 2024
- YORK (WUXI) AIR CONDITIONING AND REFRIGERATION CO. , LTD.
- Qinghua Tang
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

with helical teeth

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Screw compressor

Compressor-oil receiving device and compressor system having a comp...

Rotor pair for a compression block of a screw machine

Electric motor and vacuum pump

Methods and systems for air compressor and engine driven control

Element, device and method for compression of a gas to be compresse...

Rotor assembly, compressor and air conditioner

Screw compressor, refrigeration system, and method for controlling...

Screw compressor, and refrigeration apparatus

Element for compressing a gas and method for controlling such element

Compact variable volume index valve for screw compressor background

Spiral valve for screw capacity control

Scavenge loss limiter for a rotary compressor

Element, device and method for compressing gas to be compressed hav...

Rotor assembly, compressor and air conditioner

Lubricant system for a compressor

Redundant pumping system and pumping method by means of this pumpin...

Method for detecting and monitoring condensate in an oil system of...

Airend having a lubricant flow valve and controller

Compressor containing oil separator with multiple internal muffler...

Cooling arrangement and method for cooling an at least two-stage co...

Additively manufactured rotors for superchargers and expanders

Fluid machine and operating method thereof

Screw compressor having working chamber closing member to regulate...

Screw rotor and method for manufacturing such screw rotor

Screw compressor having a plurality of branch paths with intersects...

Liquid-cooled rotary compressor and coolant supply method therefor

Screw compressor with oil injection at multiple volume ratios

Complex screw rotors having multiple helical profiles joined by a c...

Screw compressor

Patents Applicationslast 30 patents

COMPRESSOR APPARATUS AND METHOD OF OPERATING THE SAME

Compressor device with cooling, and method for operating a compress...

AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER

Compressor installation having cooling, and method for operating a...

SCREW COMPRESSOR

SCREW COMPRESSOR

GAS COMPRESSOR

COMPRESSOR UNIT AND METHOD FOR OPERATING A COMPRESSOR UNIT

Gas Compressor and Gas Compression System

COMPRESSOR-OIL RECEIVING DEVICE AND COMPRESSOR SYSTEM HAVING A COMP...

Oil Feed Type Compressor

COMPRESSOR

COOLING ARRANGEMENT AND METHOD FOR COOLING AN AT LEAST TWO-STAGE CO...

VARIABLE CAPACITY BYPASS VALVE FOR SCREW COMPRESSOR

OIL-INJECTED COMPRESSOR DEVICE

Compressor/Expander Machine

SCREW COMPRESSOR

COMPRESSOR

SCREW COMPRESSOR AND FREEZER

SCREW COMPRESSOR AND REFRIGERATION APPARATUS

SCREW COMPRESSOR AND REFRIGERATION APPARATUS

SUPERCHARGED INTERNAL COMBUSTION ENGINE

COMPLEX SCREW ROTORS

LOW COEFFICIENT OF EXPANSION ROTORS FOR BLOWERS

TWO-STAGE REFRIGERANT COMPRESSOR AND OPERATION METHOD THEREOF

SCREW COMPRESSOR, AND REFRIGERATION APPARATUS

METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR

Screw Compressor

SCREW COMPRESSOR HAVING ROTORS MOUNTED ON ONE SIDE

VIBRATION FREQUENCY ADJUSTMENT SYSTEM