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Hot Tub Pioneers – Jacuzzi Brothers

October 27th, 2014 by

Joseph-JacuzziMy wife, of all people, just said “I didn’t know that Jacuzzi was a family name.”  The story of the Jacuzzi brothers, and the origins of the business efforts that eventually became a household name, is simply fascinating, I told her.

Take a look, this is Joseph Jacuzzi, one of the seven Jacuzzi brothers who worked together to create innovations that the world could not live without. “Mmm-hmm” she says as her head tilts to her shoulder.

In his hand, he holds a closed vane impeller, used on their vertical pump design, the one that used the injection pump in the well and a multistage centrifugal pump above ground – and which revolutionized the agricultural well water pump and later spawned the origin of the Jacuzzi whirlpool bath? “Yeah.”

The Jacuzzi Impeller Design created more flow with less resistance, capable of much more lift with less work, than other impeller designs. During the last century, Jacuzzi Bros., inc. patented over 300 designs for impellers, propellers and turbines, for pumps, planes and ships.

jacuzzi-propeller-adThey started with propellers, for airplanes, and patented a very successful impeller, and later designed and built the first high wing monoplane with an enclosed cabin, and sold it to the US Postal Service and to commercial airline operators. They were propeller and aviation engineers before they were ever in the water business.

But, an unfortunate crash of one of their airplanes in 1921, which killed Giocondo Jacuzzi, led to the Jacuzzi brothers directing their knowledge of propellers and air dynamics into the development of impellers and flow dynamics.

jacuzzi-j300-pumpCalifornia farmers during the depression were needing a reliable way to bring up deep water at low pressure, to water crops. The Jacuzzi brothers designed a unique vertical pump design, which is still in use today by many farmers, across the world. It protects the motor from water, while reducing seal problems with the shaft. A multi stage volute, using multiple stack impellers, creates lift and suction from one centrifugal stage to the next.

jacuzzi-j300A scaled down, portable and submersible version of their popular agricultural pump was created for home use, and was found to serve a multitude of industrial and commercial water movement needs, especially for rural Americans. The J-300 pump was introduced in the fifties and became wildly popular for personal hydrotherapy (it’s original purpose) by just dropping it into a hot bath. Many more inventions followed, for marine, agriculture and consumer use.

It’s all about the Impeller

The impeller, which they also termed a “spider” was unique in design and function. From the original patent, US 2424285 A, filed in 1929 “These spiders are of star-shaped contour, having a plurality of ribs across the upper surface, extending from the points of the star toward the center. The ribs are curved to define passages offering minimum resistance to flow of liquid.”jacuzzi-impeller

Jacuzzi was not the first to use a curved vane, but they continued to refine the art with their dozens of patents filed on improvements in impeller efficiency, creating more output with less energy, and with less wear and tear, pump leaks, both common problems of the day.

A Spa is Born

Jacuzzi-spaAs the Jacuzzi company entered it’s third generation of family ownership, Roy Jacuzzi, fresh out of college, champions a new line of products – personal whirlpools, in 1968. In the seventies, this expanded to larger models called spas, with molded seats, pumps, filters and heaters. The determined Roy Jacuzzi traveled thousands of miles at trade shows and county fairs, building enthusiasm for this new lifestyle product, which caught on quite well I’d say. Through the eighties and nineties Jacuzzi Whirlpool sales represented 80% of company wide sales, completely overshadowing the swimming pool and agricultural line of products.

The Jacuzzi Brand

jacuzzi-logoSo yes, Jacuzzi is a family name, (Hi, Honey) – a brand name and not just a generic term for a hot tub. They are credited with the creation of what we call hot tubs and spas, and although the Jacuzzi family has long ago sold off the family business, the company continues to inspire with creative whirlpool and bath design and quality construction.

 

– Jack

 

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