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Childhood passions and fascinations generally diminish for many as they grow up, but for few others they have become goals to achieve in life, Biswajit Baruah, Son of Late Dilip Kumar Baruah and Rekha Baruah, a native of Guwahati, Assam has a similar story. A native Assamese staying at Belagavi, Karnataka is an inspired Bus Entrepreneur, Enthusiast, Journalist and a Amateur CV-Photographer.

Buses have been a childhood passion for Biswajit. A product of KLS Gogte Institute of Technology, Belagavi - Biswajit is the founder and CEO of Hive Sustainable Solutions, a Belagavi based start up company, which deals with providing sustainable solutions of bus fleet operations and bus industry as a whole, in India. Biswajit has worked previously as a 'Mentor and Director' of a Bengaluru based start-up 'Bus-Bucket' and its sister concern 'Ozobus' , before starting his own venture - 'Hive' at Belagavi. Biswajit has expertise in Automobile and Bus Journalism. His initial start up initiative of Blog Writing through his Bus Blog took him to work as a freelance 'Consulting Editor' to India's premium Commercial Vehicle Magazine - 'Motor India'. He is also a guest writer for Belagavi's premiere news and current affairs website - 'All About Belgaum'.

Biswajit started his passion as an amateur Bus Photographer and till date have captured more than 100,000 pictures of buses. He is fond of gaining and sharing technical knowledge about mechanics and electronics which drive buses. He also likes heavy commercial vehicles like trucks, excavators, cranes etc. Biswajit visits expos and exhibitions Pan India to meet people from the bus and CV Industry and to learn about products and latest technologies. His Blog and his facebook page - 'Biswajit - SVM Chaser' is followed by many top bus companies and OEMs for insights and feedback. Biswajit is well known amongst the bus fleet operators in India and is well recognized by the top operators like VRL Travels, SRS Travels and KSRTC in Karnataka, for his views and insights regarding sustainable bus fleet operations and services.

With a Pan-India approach, Biswajit stresses on the required effort for sustainable bus transport in India. He believes that Passenger Service and the Bus Crew Category is the most sought area, which needs urgent attention to bring streamline development in bus services across the country. He is currently working in the fields of Smart Mobility, Bus Codes, Inter-Modal Transport, Sustainable Transport, Biofuel Drivelines, Zero Carbon footprint initiatives, ITS (Intelligent Transport Systems), MaaS (Mobility as a Service), Big Data, PPP (Public Private Partnership), Smart Ticketing, Contactless Payments, Electric Drivelines, Smart City Initiatives, Passenger Safety and Security, Digital Solutions for Vehicle Maintenance and Monitoring.

Biswajit have been highlighted by various print and digital media in the country for his passion for buses, which includes - 'The New Indian Express', 'Times Of India', 'All About Belgaum', 'Scania India Blog', 'Vijayavani Karnataka (VRL Media)', 'Darshan Belgaum', and 'Vijay Karnataka'. He was felicitated by Rotary Club of Dharwad Central, Karnataka for his outstanding contribution to the Bus Industry especially in the areas of sustainable transport solutions. Biswajit, won the Indian Achiever's Award for the 'Promising Start Up' Category in 2022, adding another achievement to his tally.

Apart from India, Biswajit is followed by and contacted by top bus experts from European countries like Sweden, Germany, Belgium, Norway, Finland and Asian Countries like Bangladesh, China, Nepal and Indonesia. With a zeal for his passion for buses and commercial vehicle industry, Biswajit have dared to dream big on his entrepreneur ventures to develop Indian Bus Industry, encompassing whole of India.
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VOLVO B7R - Coolant Circuit

9:31:00 AM Biswajit SVM Chaser 0 Comments

VOLVO B7R COOLANT CIRCUIT DIAGRAM

Working of the Coolant Circuit of VOLVO B7R :

The coolant is pumped by the cooling pump 4 into the longitudinal distribution channel in the cylinder block and then via holes and nozzles to the cylinder liners and up to the two cylinder heads. the coolant from the cylinder head is led straight to the thermostat housing 2 while it from the rear comes via an outer pipe.

The Oil cooler 6 is linked with the cylinder block and thermostat housing by outer pipes.

If the bus is equipped with automatic transmission and/or built in retarder it will be cooled via pipes 5. Without automatic transmission a curved pipe will be connected between inlet and outlet instead of the pipes 5.

A - The thermostat is of plunger type. It is mounted in a press-cast aluminium housing. The plunger thermostat monitor the coolant temperature in the engine cooling circuit.

When the engine is cooled the thermostat is closed, the coolant from the front and rear cylinder heads comes to the thermostat housing via inlet 7 and 8 and is directly led to the coolant pump via oulet 12. Connection 9 is for cooling the automatic transmission while connection 10 is a return line. 11 is return from Oil Cooler, while connection 13 leads to the radiator.

B - When the engine is warm the thermostat seals against the bottom of the thermostat housing and the coolant goes via connection 13 via radiator 1. Coolant recommended for cooling system is a 40-60% mixture of VOLVO's anti-freeze type C and water. The antifreeze is most effective (-46 deg C) with a 60% mixture. The VOLVO coolant is also recommended when the coolant is not for protection against frost because it still provides very good protection against rust. A mixture ratio of less than 40% coolant will leave you with inadequate rust protection. The coolant should be changed every other year. 

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