Boyard compressors have been used by the global leader of transport refrigeration units. They are designed to ensure the safe and efficient transport of perishable goods. These compressors, AC or DC-power input with variable-speed capability, provide reliable cooling performance, maintaining the required temperatures during transit. Ideal for trucks, trailers, and other transport vehicles, Boyard compressors help preserve the quality and safety of transported products.

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How Transport Refrigeration Units Work

Transport refrigeration Units rely on heat transfer to maintain temperatures as low as -30°C or as high as 10°C, depending on cargo needs. Unlike static units, TRUs face dynamic challenges: vibrations from uneven terrain, frequent power fluctuations, and extreme ambient conditions.

Boyard Rotary Compressors: Engineered for TRUs

Boyard’s horizontal rotary compressors are engineered to outperform traditional reciprocating models in TRUs. Here’s how they deliver unmatched reliability:

Efficiency Meets Durability
Boyard’s rotary design uses a roller-and-cylinder mechanism, reducing mechanical wear by up to 20% and noise levels by half compared to piston-based systems. The compact horizontal form factor allows seamless integration into tight spaces like refrigerated trailers, while its wide operating range (-40°C to +10°C) supports frozen foods, pharmaceuticals, and fresh produce alike.

Quasi-Two-Stage Compression Liquid Injection Cooling Technology
By using a pre-set suitable liquid injection capillary structure, it can effectively reduce the risk of high discharge temperatures of the compressor under low-temperature conditions, deterioration of refrigerating oil, and decreased product lifespan. This technology expands the operating range of refrigeration and extends the compressor’s service life while reducing product failure rates.

Quasi Two Stage Compression Liquid Injection Cooling Technology

Internal Dual-Cylinder Compression Technology
By adopting an internal dual-cylinder pump body and variable frequency motor design, the compressor experiences minimal starting impact and operational torque fluctuations, resulting in low overall vibration during operation. This design allows for miniaturization and increased capacity of the compressor, improving operational efficiency and reducing system operating costs.

Internal Dual Cylinder Compression Technology

Built to Withstand Motion
Vibration-dampening mounts and shock-absorption technology ensure uninterrupted cooling on rough roads. Continuous 24/7 operation is standard, even during cross-border transit or sudden stops.

Critical Applications of TRUs

From food safety to medical necessity, Boyard compressors power life-saving cooling solutions across industries:

  • Food & Beverage: Maintain 0–4°C for dairy and meats (extending shelf life by 40%) or -18°C for frozen seafood and ice cream.
  • Pharmaceuticals: Ensure mRNA vaccines stay within 2–8°C during global distribution via TRUs, preventing heat-induced inactivation.
  • Mobile Catering: Compact units enable gourmet food trucks to prepare and serve meals safely at outdoor events.

Case study

Background:

The HeTu 48V mobile cold chain is specifically designed for the transportation of fresh fish. This system enables fish vendors and transporters to maintain optimal temperatures during transit, ensuring that the fish remain fresh from the point of collection to delivery to customers.

Challenges:

  • Scarcity of 48V Compressors
    The 48V design allows for lower noise levels during operation, making it more suitable for use in enclosed spaces and reducing energy consumption.
  • Fish Mortality
    the mortality rate of fish using traditional methods can be as high as 50%.
  • Environment and Resource Issues
    Depending on traditional fuel-powered refrigerated trucks and physical ice has come under growing scrutiny concerning water resource utilization and environmental protection.

Solution:

In response to the various challenges faced by the customer, Boyard has launched a customized cold chain solution based on the Boyard KVSC300Z48 DC variable speed compressor after thoroughly understanding customer needs.

Results:

  • Significant Reduction in Fish Loss Rate
  • After using the new system, the mortality rate of fish during transportation decreased by 40%.
  • Remarkable Cost Control
  • By saving on labor and materials, terminal drivers can save an average of 50,000 yuan annually.
  • Enhanced Market Competitiveness
  • The system guarantees an efficient and fresh product supply, attracting more orders and increasing market share.
Transport Refrigeration Units case

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