Our History – Our Timeline

Our History – Our Timeline

1984 Company founded in Portland, Oregon by Inventor Bob HYDE

  • Design and development of prototype pumps
  • First development of liquid line refrigerant pump
  • HY-SAVE technology established as a method of improving refrigeration efficiency

1986 First patent “maximizing refrigeration capacity and performance”

  • LPA pump introduced and established as trademark and brand
  • Sales and distribution for LPA pumps begin

1987 US distributor agreements

  • Distributors appointed in the USA and Canada
  • New style brochure “Tomorrows Refrigeration Technology Today” introduced

1989 Partner with US Gov. FEMP to support and document product efficiency and case studies

  • Introduced energy saving analysis and methods of determining efficiency
  • Improved performance and re-design of model 835 LPA pump

1990 New efficient TEFC motors for tougher environments

  • Introduced new testing platform, improved quality and R&D

1992 Joint Venture agreement with HY-SAVE UK to oversee European territories

1994 HY-DRY, a unique dehumidification process, established and patented

  • Established automated selection and sizing program to project efficiency
  • Filed numerous patents to protect LPA pump performance and operation
  • Set up and established refrigerant two phase flow research with LPA as a means of providing heat transfer between mediums
  • Expanded the network of regional distributors

1996 Plus 2 system for higher efficiency developed and patented

  • Expanded testing platform to include multi coupled pressure points
  • Improved facility to provide distributor and customer support.

1998 HY-SAVE IP, patents, designs and technology acquired by DTE Energy Technologies, Michigan, USA

  • Introduced first Pump-Pro 1 electronic pump induced pressure differential sequence control and protection module.
  • Developed new methods of heat transfer and system efficiency with two phase cooling mediums and methods.

2000 HY-SAVE organization of regional and international distributors and OEM’s established

  • Energy efficient refrigeration research and development taken global
  • Established PP2 Version 2, as a method to protect LPA® pumps from running dry based on induced liquid differential pressure and quality of liquid entering the pump.

2003 HY-SAVE UK acquires the IP, patents, designs, trademarks, existing non stopple distributor agreements and technology from DTE Energy Technologies, Michigan, USA

  • Terminated US distributor agreements and re organisation of existing channels
  • Continued research and development of LPA technologies including two phase non vapor compression cooling systems
  • Reorganized US manufacturing, introduced new stringent process and quality control for production requirements

2005 New assembly plant established in Europe audited by TUV Germany

  • Improved manufacturing process and quality control
  • PFEMA – Process Failure Effects Mode Analysis
  • Introduced Helium and Nitrogen testing facilities
  • Enhanced the range of HFC LPA pumps for higher operating pressures

2006 HY-SAVE USA opens in Tampa, Florida

  • Launched cost effective remote energy monitoring device with built in Ethernet and GPRS
  • Continued development of new methods to remove moisture in cold rooms in combination with HY-DRY

2007 Pressure testing facilities enhanced to accommodate natural refrigerant pressures and process control

2008 HFC range of LPA pumps redesigned for higher operating pressures

  • Introduced more stringent quality control and specifications
  • Launched 3rd generation pump protection and control
  • Enhanced range of LPA pumps compatible with Co2 pressures

2009 HY-SAVE offices open in Dandong, China

  • Launched Model PM8 Range of LPA pumps
  • Introduced mass manufacturing and control process of LPA pumps

2010 Pump Protection module 3 to include free cooling operation and protection launched

  • Certified UL / PED Models 833, 860 and 875 for Co2 sub-critical applications

2011 Automated energy monitoring to precisely measure energy consumption launched

  • Super model 925 LPA pump for HFC and Co2 applications, maximum working pressures at 75 bar (1087 psi) introduced

2012 Official launch of model 925 for cascade Co2 applications worldwide.

  • Increased production of model 809 for mass manufacturing to suite a wide range of domestic / light commercial Co2 refrigeration applications.
  • Engineered solutions to overcome -40F working temperatures specific to model 925
  • Consultation with HY-SAVE Engineering to propose new super model 975 to accommodate single circuit 400 tons of refrigeration energy savings with LPA®
  • UL Fatigue and Pressure testing of model 925 certification awarded

2013 Design and development of Phase 1 solar refrigeration with ejector LPA® pumps.

  • Continued development of LPA® Liquid Refrigerant Pump to boost liquid pressure to 145 feet with ejector evaporating temperatures of -9°C (15F) annually.
  • Continued development and completion of new super critical Co2 liquid pump design working pressure, 124 bar (1,800 psi) within the flow rate region of 1 to 9GPM

2014 Official launch of LPA® Model 809-NH3

  • Testing of Liquid Injection into Screw compressors HP port for compressor cooling in high ambient countries.
  • Design and development new Ammonia LPA® pump for natural refrigerant applications. Design pressure rated at 540 psi.
  • Design and development of the world’s first in-line and auxiliary (TES) Thermal Energy Storage solutions for air conditioning and refrigeration systems.
  • Development of new type Propane LPA® pump for greener refrigeration applications.
  • Development of Sub-Zero -40F LPA Model 860 for Arctic environments.

2015 “Refrigeration on Demand” ™ The Thermal Storage Option introduced

  • Design and development of a new higher pressure model 860-SS rated at 75 bar for Co2 DXFC applications.
  • Continued development of model 875-SS high pressure hold capacity LPA® pump for Co2 applications.

2016 “Cylinder head and Screw cooling technology” introduced.

  • Set up and commissioning of the worlds first Latent heat Thermal Storage facility for supermarket DX refrigeration systems.
  • Introduced and set up DX free cooling for split air conditioning units, including wall and ceiling mounted indoor units.

2017  Development of a range of Dual Stage (DS) Co2 Liquid Pressure Amplifiers and Solar Air Conditioning

  • Model 833 rated at 75 bar (1,087 psi) design operating pressure, self unloading, maximum head 80 feet, power 0.5HP
  • Model 820 rated at 75 bar (1,087 psi) design operating pressure, self unloading, maximum head 60 feet, power 0.3HP
  • Launched a range of DX Free Cooling split air conditioning units for with ultra low power consumption and high efficiency.
  • Design and development of the worlds first 100% Solar powered 60,000 BTU air conditioning units with day light panels & electrical storage of surplus energy for the energy conscious.
  • Established numerous patent applications including DX plate type latent heat thermal storage and DX free cooling.


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