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
  • Certified UL pressure and fatigue testing of range of LPA pumps

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
  • Improved model 850 for higher working pressures
  • Launched Stainless Steel Model 875

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
  • Increased Horse Power of model 850 0.5ph to model 860 0.6hp

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 for all Model LPA pumps developed by HY-SAVE

  • 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
  • PED Certification for Models 833, 860 and 875

2005 Assembly plant transferred to Europe from Portland, Oregon, USA.

  • Improved distributor network
  • 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 UK 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

  • Reviewed range of LPA pumps for added strength
  • Introduced mass manufacturing and control process of LPA pumps

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

2011 Automated energy monitoring to precisely measure energy consumption launched

  • Model 925 LPA pump for HFC and Co2 applications, maximum working pressures at 50 bar (725 psi) introduced.

2012 Official launch of model 925 for cascade Co2 applications.

  • 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 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.

2018 Patents awarded, Plate Thermal Storage for Air Conditioning used in conjunction with DX Free cooling for low energy thermal cooling.

  • Expansion of HY-SAVE head quarters to add 12,000 sq feet of office space to include Research & Development, Testing and Proto-typing facilities.


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